THE EXPANSION OF STEAM.

149

Properties of Satdrated Steam — Continued.

Pressure inlbs. persquare inchabove thepressureof theatmosphere.

Temperaturein degrees ofFahrenheit.

Total Heatin degrees ofFahrenheit.

Cubic inchesof water toproducex cubic footof Steam,according toPambour.

Volume of Steam producedby 1 of water.

Weight of

1 cubic footof Steamin lbs.

Pambour.

Other

Authorities.

93

333'3

1215-6

6-32

273

251

■2278

94

334 ’o

1215-8

6-37

27I

249

•2298

95

334-6

I 2 IÖ -0

6-42

269

247

■2317

96

335’3

1216*2

6-47

267

245

•2334

97

33 6 -o

1216-4

6-52

265

243

■2351

98

336-7

1216-6

6'57

263

24I

•2370

99

337'4

1216-8

6 " Ö 2

261

239

•2388

IOO

338 -o

1217*0

6-67

259

237

•2406

IOI

338-6

1217*2

6-72

257

235

•2426

102

339-3

1217-4

6-77

255

233

•2446

103

339-9

1217-6

6-82

253

231

•2465

104

34 o -5

1217-8

6-88

251

229

■2484

105

34 i-i

I 2 l 8'0

6'93

249

227

•2503

106

341-8

I 2 l 8'2

6-99

247

225

•2524

107

342-4

1218-4

7-04

245

224

•2545

108

343 '°

1218-6

7 *i 1

243

222

•2566

IO9

343-6

12187

r 17

24I

221

•2587

HO

344'2

1218-9

7-23

239

2 X 9

•2608

111

344-8

1219*1

7' 26

238

217

•2626

112

345-4

1219-3

7'32

236

215

•2644

113

346-0

1219*4

7'38

234

214

•2662

114

346-6

1219-6

7'45

232

212

■2680

115

347-2

1219-8

7-48

231

211

•2698

117

348-3

1220*2

T 57

228

208

•2735

119

349’5

1220-6

7-68

225

205

•2771

121

350-6

1220*9

778

222

202

•2807

123

351-8

1221*2

7-84

219

199

•2846

125

352-9

1221*5

8*0

216

197

■2885

127

354 -o

1221*9

8-11

213

194

*2922

I29

355 -o

1222*2

8‘22

210

192

•2959

131

356-1

1222*5

8-3

208

189

•2996

133

357 ' 2

1222*9

8-42

205

187

-3033

135

358-3

1223*2

8-51

203

184

■3070

145

363-4

1224-8

9-04

191

174

•3263

155

368-2

1225*1

9’54

181

164

•3443

165

372-9

1227*7

10*04

172

155

■3623

175

377-5

1229*1

io -53

164

148

•3800

185

3817

1230-3

11*0

157

141

■3970

Note .—According to Rankine and others, the relative volume of steam is less than hasbeen commonly assigned to it by Pambour, following the laws already explained; Pam-bour having treated steam as a permanent gas, instead of as being, what it is in actualpractice, highly saturated.