CHAPTER XIII. MISCELLANEOUS TABLES. (Part 3)

6 «u E_ E^ ^^ CO ;< 2 W H < H O w H w I i-i X u w pa <1 u o 43 W >l _ w 1 <M «> 1 M OT 1 ^4 u o ct >l > u o 4-* u c« ix« >> •o M V OT u rt u ,« t/i ^ M — s L^ W d £ 4> o rt U s D B o ■« a u H u e« V 43 tn — S ■^ d E u o '3 U 1 "" 3 — a _o a «< H !3 'n w <« 5 3 VOU-) 00vO'->t"^ oooooooo oooooooo OtrjVOOOOOO r^ r-l COO Oo O CM rf U-) \0 JH CO \0 o o ooooo oo ooooo oo ooooo OOOOOO OOOOO OOOOO OOOOO O in o O O — 1 r— in vo !>. OOOOOO OOOOOO OOOOOO CO o oo o fvj Tj-inoo JH •c o ooooo ooooo ooooo CO O tn in O fMCMcom OOOOO ooooo ooooo CO vo in to o (SJ CO lO H "" — « ^ Miscellaneous tables 479 TABLE CXX.— PHYSICAL CONSTANTS OF METALS. Metal Specific Gravity Specific Melting Point Heat Degrees F. 0.218 1216 0.051 1166 0.081 1472 0.047 1562 0.031 518 0.056 610 0.048 79 0.170 1481 0.045 1152 0.120 2741 0.103 2714 0.071 0.093 1981 0.079 86 0.621 0.031 i'945 0.057 311 0.033 4172 0.110 2768 0.045 1490 0.031 621 0.941 367 0.250 1204 0.120 2237 0.032 —38 0.072 4532 0.108 2642 0.031 4530 0.059 2822 0.032 3191 0.170 144 0.058 3452 0.077 100 0.061 3270 0.056 1762 0.290 207 1472 a036 5252 0.049 825 0.033 578 0.028 0.055 Tso 0.130 3362 0.034 5432 0.028 4352 0.125 3182 0'094 "786 0.066 2700 Aluminum 2.56 Antimony 6.71 Arsenic 5.67 Barium 3.78 Bismuth 9.80 Cadmium 8.60 Caesium 1.87 Calcium 1.57 Cerium 6.68 Chromium 6.50 Cobalt 8.50 Columbium 12.70 Copper 8.93 Gallium 5.90 Glucinum 1.93 Gold 19.32 Indium 7.42 Iridium 22.42 Iron 7.86 Lanthanum 6.20 Lead 11.37 Lithium 0.54 Magnesium 1.74 Manganese 8.00 Mercury 13.59 Molybdenum 8.60 Nickel 8.80 Osium 22.48 Palladium 11.50 Platinum 21.50 Potassium 0.86 Rhodium 12.10 Rubidium 1.53 Ruthenium 12.26 Silver 10.53 Sodium 0.97 Strontium 2.54 Tantalum 10.80 Tellurium 6.25 Thallium 11.85 Thorium 11.10 Tin 7.29 Titanium 3.54 Tungsten 19.10 Uranium 18.70 Vanadium 5.50 Yttrium 3.80 Zinc 7.15 Zirconcium 4.15 485 HOUSEHOLD REFRIGERATION , be >^ cd t< O CS OC^-^OO^Tj<(M^lOrH'«<LCO lO O t-H CD tO O O OOOOrHeOli3CCCr-IO>-f>J<oomMa51:^L.OO «OtOt— (MOOOOOOOMOe^OOOOM OMlOOMOC-Oi-ICOU5tCiOJCOOa!C3THOT-l OOOOOOOOrHC^]C^Tt<CDOOO'<'C5CCCOO 1-1 tH tH C^] 0:1 ■ . t. t< O t, ^♦^ p. m 1— O0O0'-T-llHt-li-l00O0O00O0000O0000O0OO00COOCi0COO0 Cqi-HiHlHiHrHl-lTHiH P.O b£W (M-^OOOrHCCiCqcOOt-iOOCC'COOt C ft top"" o c o eOMrHC-aOCOtOO'MOOl-, i-Hooiot--t:^cr)C5i>--^cOT-tTHi liO M t- ■ C<1 7-1 ^ 05 1- ■^ M I<1 <M iH "rrCOOOit^^^^'fC O.t-' ■fJ to 55 1- g* Net:- o ■^t^iOTj<coooi-HO(>iC5LO'^cDooc:^0"«<75iOi-(<7it^oc^7-ia:iC^iL": Cst--u:!'^COC^<M(MrHT-li-i M W I - ai CO cvi t^ ■<}" T-1 Tj* CO OS C^l u^ c t— iNCOtTCOC^C .-- __ Cvj r— ( t>- 00 CO CO i-™^^Tr'coc^i^oo^'oot- 1—1 0000 tjscioo if:j 00^0000 OS colo 000000 ccooiooco 'J CO CO oa:>oo S;ij;i;coLnoo'^ococ-coooc-oiaiooL-OL--oo^ooo 0000 000 OOP 10 -HC<3CO'^t:^CiCMir50:>OOOOOfMOOaiCOt^C '^ ,-1 tH tH C^l CO ir3 CC C- OV rH CO L Hi— (i-Ht— CMCVJCO- o^asoo-^cooO"rt^io cvi(Mioir3CC>u::)<x>coc i-tCqcOlrtOOCOrHOO-^'^OLOO'X'CO"' 'CD-^C^t-O^DO^L^O" 4 »— I »— I ri Tl CO CO -^ £5 r1 «J cj t< CO'IMt-05MlCi-I^CO«D«OOOC^a^'^M5DtCt-CO «e OO OS ?a «D CTJ C<1 ■^■Vinu500CiMtOCilOC0--tOTf<ioCOltC--^ (MCnOCJC^iO- IM«0rH0i04i-H^OT-ie<ltDOt-00t~Mm«0C<3C^OLraM'J<in05<Mir500 OOOOr-IC^CO'' 10 "« -^ t- CD t* CO Ci ir-( C<J -rt* CCIO LO IC lO lO lO Uti lO irt OOOi-lrHi— 1»-(»-^7— ICQC^C ■* Tfi M Tjt 00 iH t- CX3 1- 00 to 00 in in M M t— 05 t^CC>C>C<JCsl-<flOOTHCOCOCCTt«C<IO'CDC^JOOCOT-1lO cjMTS<«Doooc<3!£>0'^omoir300oa3050c<i c<i eg eg c^ (rq (M c^ O ■>!(< t>- T(i in tH eo t^t— 'I'urstDoooeoseosecoom com inio in «D tM eg eg (M m mcDtDcotot- <iH<-ie<iegcO'«j'Tt<mmtDt-ooa>oege<i'm«5oooeg'«i" ^^sts^igit :s:s is is :^ »H 1-1 tH N N e^ e<3 ■^ -"f lO « t» 00 05 © iH ffl MISCELLANEOUS TABLES 481 Nomi- nal wt. in lbs. per ft iHtHi-IIsI'M o <-' a ^ ■ _; c CCC75OOrHOOl00»«0Mi-l C- tC OOC^JOitr-li3-<l<ev5!MlH.-lT-lr-lrH C o OC-O-^Me^e^KMiHrHiH d > c 3-S tH rH M fO-CO -^J" «0 00 is So h-l r-lrHC<)-i;DOO'-ICSOLn Id So- o>o»oo-«i<«5oo-<'LO e<i tH «o 2; «5 e>i r-lrHMCO o 0) S § 6 c . M-^MC0C<I00CO-C0C0lrt0^lCO-^ ^'MC-qOr-IC»Cr30iC-t-00'1<0SC<ltD r-lrH(MeqMTl<<ot-030i-linoC •3 c . MI£>i-l5DCqTHC<105-<l<O0>mrH-00 ,-lr-ie<IMM-lOli5C-050e<l-S<C-0 IH tH iH rH C-5 be ::?; :f; is ::?; ©§ !NIi-(O(3J00C»t0«©l0Mi-4OOOC> :S.S C-TM-a-LnOOOOIMOOOC^Tft-M ,— (,_(,_trHi-(THT-lC^C<lC^COC^COCO'^ 0) s s 2 "^ - 5S'3 u-5 ■ ^ M :C tH 5-3 Tj< M LTJ ff-l 00 OO M CJIM^OC-OSCl'J'OSMOOCOOOOOC- rH.HrHOqe<lCOCO-L» die r-liHrHi-l(M(MM-<l<'<4<lO«C d , c S-- o.£g ^in Noo«oii5 0oe^i-i T-HC-jMinsoaseoooMr-wsco t-CTJ00t-lHTH«0(M50t-OM< CD^OrHrH«Dt'-t^OTH-^00 uo oJ «o ■' eo e-i M i-I r-i r-J ■^COOqCJMl-lrHlH oiMOOTj>ooot^cjt:-oo'a> ot-oioaj«oooc-iHcooo t— (J>.Hia -^ OS [~ ■ ■ in 50 lH C<1 ^ lO C- Cvl 00 intointocoooasc-i'^oc't- iCOOMi-loO'^-^COmrofO-T" tO^'^ OOt(<COuOMC'1-10 CDC-J-Tt^OOT-toOT-Ht^COO^i-H t-cooot-'^^DiOTHLnoot^co T-iiHMeO'^mc-oous'MLO CT'C'jT-HC^aSTfOasOr-t-foO MeO'i<ii5ir5t-050c<i-c-o tH tH i-( t-l C) o§ I I + I oo-^-^oo^^c^ioooc^jiM m OOOCO^OSCOOOLO ^^^T-ICOC^ICO-^TfLOCO 482 HOUSEHOLD REFRIGERATION TABLE CXXIII.— COPPER TUBES. Weight per Lineal Foot. Gauge No. 13 14 15 16 17 18 19 20 21 22 Wall Thickness Inches 0.095 0.083 0.072 0.065 0.058 0.049 0.042 0.035 0.032 0.028 Outside Diameter of Tube Inches 0.048 0.047 0.045 0.042 0.038 0.036 Vs 0.033 v„ O.lOl 0.097 0.091 0.082 0.073 0.065 0.060 0.054 54 0.178 0.168 0.155 0.146 0.135 0.120 0.106 0.091 0.084 0.076 v„ 0.250 0.231 0.210 0.195 0.178 0.156 0.138 0.118 0.109 0.097 H 0.322 0.294 0.265 0.245 0.223 0.193 0.169 0.144 0.133 0.118 v« 0.395 0.357 0.319 0.293 0.267 0.231 0.202 0.171 0.1 57 0.139 'A 0.466 0.420 0.374 0.342 0.311 0.268 0.233 0.197 0.182 0.160 ^ 0.610 0.546 0.483 0.441 0.399 0.342 0.297 0.250 0.230 0.203 y4 0.754 0.672 0.591 0.540 0.486 0.416 0.360 0.303 0.278 0.245 1 1.04 0.92 0.81 0.73 0.66 0.57 0.48 0.408 0.376 0.330 NOTE : Stubs or Birmingham gauge used. Formula for determining the proper thickness of copper tubing is given as follows : PXD T = .0625 6,000 Where T = thickness in inches P = working pressure D = Inside diameter of the tube in inches This was prescribed by Board of Supervising Inspectors of Steamboats. (1911). MISCELLANEOUS TABLES 483 TABLE CXXIV.— SHEET METAL DIMENSIONS AND WEIGHTS. Wt. per sq. ft. in lbs. Iron Steel Decimal 480 lbs. 489.6 lbs. U. S. Gauge Gauge per cu. ft. per cu. ft. numbers 0.002 0.08 0.082 0.004 0.16 0.163 0.006 0.24 0.245 38-39 0.008 0.32 0.326 34-35 0.010 0.40 0.408 32 0.012 0.48 0.490 30-31 0.014 0.56 0.571 29 0.016 0.64 0.653 27-28 0.018 0.72 0.734 26-27 0.020 - 0.80 0.816 25-26 0.022 0.88 0.898 25 0.025 1.00 1.020 24 0.028 1.12 1.142 21 0.032 1.28 1.306 21-22 0.036 1.44 1.469 20-21 0.040 1.60 1.632 19-20 0.045 1.80 1.836 18-19 0.050 2.00 2.040 18 0.055 2.20 2.244 17 0.060 2.40 2.448 16-17 0.065 2.60 2.652 15-16 0.070 2.80 2.856 15 0.075 3.00 3.060 14-15 0.080 3.20 3.264 13-14 0.085 3.40 3.468 13-14 0.090 3.60 3.672 13-14 0.095 3.80 3.876 12-13 0.100 4.00 4.080 12-13 0.110 4.40 4.488 12 0.125 5.00 5.100 11 0.135 5.40 5.508 10-11 0.150 6.00 6.120 9-10 0.165 6.60 6.732 8-9 0.180 7.20 7.344 7-8 0.200 8.00 8.160 (>-1 0.220 8.80 8.976 4-5 0.240 9.60 9.792 3-4 0.250 10.00 10.200 3 From Hoffman's Handbook for Heating and Ventilating Engineers, published by McGraw Hill Co., Inc. TOPICAL INDEX. A Page Absolute Pressure 12 Absolute Zero 12 Absopure Machine 187 Absorption Machines 299 Absorption Machines, Ammonia .... 128 AbsoTOtion Machines, Water Vapor.. 127 Air, Circulation of 378 Circulation Tests 383 Cooled Compressors, Condensing Pressure for 145 Flow through a Circular Orifice (Table) 172 Flow through Orifices 171 Machine, Allen Dense 126 Machine, Gorrie 126 Machine, Kirk 126 Machine, Open Cycle 126 Properties of 47 Pumping Test on a Compresor (Table) 139, 140 Refrigerating system. Low Pres- sure 127 Spaces 113 Spaces, Insulating Effect of 115 Weight and Volume of (Table) . . 475 Alco Liquid Control Valve 167 American Radiator Automatic Expan- sion Valve 168 American Radiator Evaporator 169 American Radiator Float Valve 169 Ammonia Absorption Machine 128 Ammonia, Heat of Association of (Table) 83 Properties of 40 Properties of Aqua Solutions (Table) 84, 99 Properties of Liquid (Table)... 62 Properties of Saturated (Table) 54, 61 Properties of Superheated Va- por (Table) 63, 67 Solubility in Water (Table) 83 Amount of refrigerant to be Evapora- ted 38 Ampere Rating of A. C. Motors (Table) 163 Apples 449 Application of Refrigeration to Milk 443 Atmospheric Pressure Equivalents (Table) 16 Audiffren Machine 190 Automatic Reclosing Circuit Breaker Company Control 181 B Tiacteria in Foods 437 Bacteria in Milk 443, 445 Balsa Refrigerator Tests, (Table) ... 426 Balsa Wood 117 Belts 164 Berries 394 Blower Data (Table) .......'. '. '. .'.'.'. 142 Bohn Refrigerator 331 Brine Tanks 156 Brine Tank Data 156 Brine Tank Data (Table) 161 Brine Tank, Fedders 184 Brunswick-Kroeschell Refrigerator . . 194 Bureau of Standards Tests on Re- frigerators 421 B. t. u 11 Butane, Properties of 41 Properties of (Table) 70 485 C Page Calculation for Spiral I'in Tubes.... 152 Calorimeter Testing 408 Carbon Bisulphate Properties of (Table) 71 Carbon Dioxide 42 Carbon Dioxide, Properties of Satu- rated Vapor (Table) 68, 69 Carbon Tetrachloride Properties of (Table) 71 Carbondale Machine 196 Care of Ice Chests 447 Carre 20 Carre Machine 128 Cavalier Refrigerator 333 Champion Machine 198 Characteristics of Refrigerants 37 Charging Refrigerants 49 Chemical Methods of Refrigeration.. 133 Chilrite Machine 201 Chloroform, Properties of (Table)... 71 Choice of Heat Insulators Ill Circulation of Air 378 Circulation in Ice Chambers 383 Climax Machine 202 Coefficient of Heat Transfer in Ap- paratus 121 Coefficient of Radiation and Convection (Table) 107 Coldmaker Machine 203 Comparison of Heat Insulators 107 Comparison of Refrigerants 36 Comparative Cylinder Displacement.. 39 Compressor 137 Condenser 140 Condenser Flintlock 145 Condenser, McCord 150 Condensing Pressure for Air-cooled Compressor 145 Conduction of Heat 103 Constant Temperature Room 399 Convection 106 ControL Automatic Circuit Breaker Company 181 Control Switch 181 Control. Penn Electric 175 Cooke Machine 206 Copeland Machine 208 Copper Tubing (Table) 482 Cork 116 Cork Insulation Data (Table) 16 Corrosion of Metals 35 Cost of Harvesting Ice 26 Cost of Ice (Table) 416 Creamerv Package Machine 211 Crystal Refrigerator 335 Cullen Machine 20 Cutting Ice Into Blocks 27 Cylinder Displacement (Table) 40 D Decimal Equivalents of Fractions of One Inch (Table) 468 Delivery of Ice (Table) 420 Delphos Machine 211 Density of Water (Table) 474 Desirable Humidity Indoors 388 Desirable Temperature for Refriger- ators (Table) 379 Desserts 393 Determination of Heat Losses thru a Refrigerator Wall 109 Direct Expansion System 155 Discharge Valves 166 486 HOUSEHOLD REFRIGERATION Page Displacement, Comparative Cylinder. 39 Displacement for Various Refriger- ^^ Domes?^'\vi;j?'^ter(fab{;>-;.4Vi:465 Door Construction ■ • • • ,^ Drinking Water ^yj, -ioi Drive, Belt ^55 Direct ■•• 165 Gear E Efficiency of Refrigerator Wall. . . ... 434 Efficiency of Refngerator with In- creased Insulation . . . • • y Effect of Refrigeration on Foods . ... -tJe Effect of Room Humidity on Ke- frigerator Tests ^^^ Electrical Heater Method of Test- ing Refrigerators ^'^-^ Electrical Refrigerating Company . . - j^i Electrice Machine ^ij Electro-Kold Machine ^'^ Electrolux Servcl Machine ^^^ Equivalents, Horsepower ^° Ethane ." • ' " "f" Vt^' Vi' ^ 7^ Ethane, Properties of (Table) ^- Ether 44 Ethyl Chloride ■-■■■■■:■••/ Ethyl Chloride, Properties of (Table) •••••• V WkV -l ' ' 71 Ethyl Ether, Properties of (Table).. ^7^ Evaporator • ■ .0 Explosion Data on Gases '° Everite Machine ••■••••; us Exhaust Fan Tests (Table) '^.i F „ 143 Fans : ■ • • A,' • ■, 184 Fedders Brine Tank . |° Condenser and Receiver |»^ Expansion Valve \°i^ Liquid Filter }°- Liquid Strainer \°-. Fin Tubing (Table) 1^4 Fish 217 Flaxlinum ,4c Flintlock Condensers .....-..■■•■• • ^^'' Flintlock Condenser Data (Table)... 1^1 Flooded System . . . • ■ ■ ^^ Flow of Air thru Orifices ....•••• ■ J^' Food Arrangement in Refrigerators^. ^^^ Foreword -, 0 Frigidaire Machine t'^ Frost on Evaporator ^ ^' Fruits, Keeping of G Gas Refrigerator Corporation Data. . 325 Gases, Coefficients of Expansion and Heat Transmission (Table) ... 4A6 Explosion Data 48 Non-condensible ,":„ Solubility in Water (Table) .... 00 Specific Heat of (Table) f^ General Electric Machine ^^^ Geppert Machine • •'^0 Good Housekeeping Institute Re- frigerator Tests 430 Gorrie ,• : • • ,4-, Grand Rapids Refrigerator Company. o4„ H Page 299 Heat, Absorption and' Radiation of (Table) ^y., and Temperature ^■ Conduction of !:Ti Insulation '■^^ Latent ••; ^no Losses in a K^^frigerator . . . . • • . 4U/ Losses through Refrigerator Wall 109 Mechanical Equivalent of '^J Sensible j^ l?^^r-:::^;v.v;.;^.;.v.WLi2i Transfer Coefficient (Table) ... 12- Transfer in Apparatus i^^ Units r-^y- History and Principles of Retrig- crating Systems -"^^ History of Refrigeration History of Vapor Compression Machine ;-i^'i,\ " ' ' 1 r Horsepower Equivalents (iable) ... i< Household Refrigerators . . . • • ^^^ Household Refrigerating Machine Requirements I^^- How to Use Ice ^^i Humidity • : ■■6' i'" ' Diagram for Room and Retrig- erator ,00 Desirable Indoors •••••;•• f°? Effect on Refrigerator Tests ... 4US in United States (Table) .. .458, 459 rr> . 00/ Tests on Househoid Refrigerator (Table) ^'^^ I Ice and Its Relation to Food 438 and Salt Mixtures, Temperatures Obtained By (Chart) ....... . 134 Ice Cans, Standard Sizes (Table) ... ^/ Ice Capacity of a Refrigerator i/l Ice Chest ; ^2? Ice, Cost of Harvesting A]l Ice Cream Making in the Home 4S^ Ice, Cutting into Blocks ^' for Dairy Farms ^^ How to Use •'" Industry : ■ ■ ; r^''" " i,' ' ' ' Ice Melting Method of Testing Re- frigerators ^"^ Ice, Natural iX Properties of .... • f^ Properties of (Table) j6 Ice Refrigeration in the Home t'l Ice Refrigerator Cabinet Data, (Table) 374 Ice Refrigerator Tests .... • ^^^ Ice Used in Homes (Table) ^^^ Icemaid ,qn Ice-O-Lator '^^ Illustrations .gg Absopure Compressor ........ J»b Absopure Condensing Unit for Ice Cream Cabinet ., ||^ Absopure Freezing Unit i»^ Absopure Mechanical Unit i»/ Absopure Refrigerator ^^i-' Air Circulation in ^ef"3«|[^^^| 384 AlcoLiquid Control 1^8 American Automatic Expansion Valve • ]^l .\merican Float Valve .......... WU American Refrigeration Section ^_^ TOPICAL INDEX 487 Illustrations (Continued) Page Amount of Liquid Refrigerant Used ; 38 Arrangement of Food in Re- frigerators 454 Audittren Cabinet with Machine. 192 AudifTren Household Machine . . 191 Audiffren Refrigerating System. 193 Autofrigor Machine 194 Balsa Refrigerator Test Chart 427, 428. 429 Bohn Refrigerator 332 Brine Tanks ,.. 185 Brunswick-Kroeschell Ice Making Installation 196 Brunswick-Kroeschell Machine . 195 Calorimeter Testing 408 Carbondale Machine 197 Cavalier Refrigerator 334. 335 Charging of Refrigerants SO Champion Cooling Unit 199 Champion Junior Model 198 Champion Machine 200 Champion Senior Model 199 Chilrite Machine 201 Climax Machine 202 Coldmaker Machine . 203 Comparison of Refrigerator Heat Losses 405 Compression Refrigerating .System 132 Condenser and Receiver Unit. . 183 Condenser Pressure for Air Cooled SO- Machines 144 Constant Temperature Testing Room 400. 401 Cooke Machine 206 Copeland Cabinet and Remov- able Unit 210 Copeland Expansion Valve .... 209 Copeland Machine 208 Copeland One Piece Freezing Unit and Machine 209 Creamery Package Machine .... 21] Crystal Refrigerator 336. 337 Delphos Machine 212 Drinking Water Cooled Bv Use of Ice Cubes .' 450 Electrical Refrigerator Control.. 181 Electrice Machine 214 Electro-Kold Frost Tank 216 Electro-Kold Machine 215 Electro-Kold Self-contained Unit 216 Electrolux Servel Cabinet 322, 323. 324 Everite Cooling Unit 218 Everite Cabinet and Cooling Unit 219 Everite Machine 217 Expansion Valve 184 Flintlock Air-Cooled Condenser 146. 147 Frigidaire Cabinet 223,224 Frigidaire Cabinet and Self- contained Unit 226 Frigidaire Cooling Coils 222, 223 Frigidaire Ice Maker 225 Frigidaire Machine 220, 221 Frigidaire Self-contained model. 225 General Electric Refrigerator... 228 Hall Machine 230 Heat Temperature Diagram for Ice, Water and Steam 28 Humidity Curves 39 1 Humidity in Refrigerator 407 Ice Refrigerator Cabinet Data 375, 376 Icemaid Cabinet 234 Icemaid Freezing Unit 233 Illustrations (Continued) Icemaid Machine Ice-0-Lator .Absorption .System . . Iroquois Cabinets 237, Iroquois Compressor Iroquois Cooling Units Iro(|Uois Machine Iroquois Switch Isko Machine .Tewett Refrigerator ...340, 341, Jevyett Wall .Section Keith Absorption Machine . . . . Keith Cabinet Kelvinator Cabinet Kelvinator Condensing Unit . . . . Kelvinator Cooling Unit Kelvinator Large Capacity Con- densing Unit Kelvinator Machine 242, Kold King Machine Leonard Refrigerator 343, Leonard Wall Section Lipman Machine Liquid Filter Liquid Strainer McCray Refrigerator 347, Mean Temperature Difference Curve Merchant & Evans Cabinet . . . Merchant & Evans Machine . . . Mercoid Control National Absorption Machine . . . Norge Cabinet Norge Freezer Coils Norge Machine Odin Refrigerating Unit Operation Volatile Liquid Ther- mostat 176, Penn Electric Control Pressure Type Thermostat Radiation and Convection Losses Reol Refrigerator 349, Rhinelander Refrigerator 352, 353, Rice Cabinet 260, Rice Compressor Rice Cooling Unit Rice Machine 256. Sanat Cabinet 264, Sanat Machine Savage Ice Cream Cabinet Savage Machine 266, Seamless Metal Bellows Seeger Refrigerator Servel Cabinets 273, 274, Servel Commercial Machine. 276, Servel Compressor Servel Float Valve Servel Machine Servel Pressure Control Socold Cabinet 279. Socold Frost Unit Socold Machine Sorco Absorption Refrigerator ^ 325, Spiral Fin Tube Condenser 148. 149, 150. Standard Ice Box Construction . . Standard Wall Construction . . . Temperatures Obtained by Ice and Salt Mixtures Universal Machine Utility Machine Wall Construction ...357, 358, 359, 364. 365. 366. Ward Cabinet Ward Evaporating Svstem .... Ward Machine ....." Ward Valve Connections Warner Machine Page 231 302 238 236 237 235 236 24(1 342 339 304 30 S 245 244 243 246 243 248 345 344 249 185 184 348 119 251 250 179 300 254 253 252 255 177 174 180 108 350 354 261 258 257 257 265 263 268 267 182 355 275 277 270 272 269 271 280 278 278 326 153 110 109 134 282 283 367 285 284 283 284 286 488 HOUSEHOLD REFRIGERATION Illustrations (Continued) Page Welsbach Cabinet 289, 290 Welsbach Freezing Unit 288 Welsbach Machine 287 White Frost Refrigerator