Table of the Elastic Force of Steam, and corresponding Temperature of the Water with which it is in Contact.

Pressure in pounds per sq. in.

Elastic force in Inches of Mercury.

Temperature Fahren't.

Volume of

Steam compared with Vol. of Water.

14.7

30.00

212.0

1700

15

30.60

212.3

1669

1G

32.61

216.3

1573

17

34.68

219.6

1488

18

36.72

222.7

1411

19

33.76

225.6

1343

20

40.30

223.5

1281

21

42 84

231.2

1225

22

44.88

233.8

1174

23

46.92

236.3

1127

24

43.96

238.7

1084

25

51.00

241.0

1014

26

53.04

213.3

1007

27

55.03

215.5

973

28

57.12

247.6

941

29

59.16

249.6

911

30

61.21

251.6

833

31

63.21

253.6

857

32

65.28

255.5

833

33

67.32

257.3

SI0

34

69.36

259.1

788

35

71.40

260 9

767

36

73 11

262.6

748

37

75.48

261.3

729

38

77.52

265.9

712

39

79.56

267.5

695

40

61.60

269.1

679

41

83.64

270.6

661

42

85.68

272.1

619

43

87.72

273.6

635

41

89.76

275.0

622

45

91.80

276.1

610

46

93.84

277.8

598

47

95.88

27') 2

586

48

97.92

280.5

575

49

99.96

281.9

564

50

102.00

283.2

554

51

104.04

284.4

544

52

106.08

285.7

534

53

108.12

286.9

525

51

110.16

288.1

516

55

112.20

289.6

508

56

114.24

290.5

500

57

116.28

291.7

492

58

118.32

292.9

484

59

120.36

294 2

177

60

122.40

295.6

470

61

124.44

296.9

463

62

126.48

298.1

456

Pressure in pounds per sq. in.

Elastic force in Inches of Mercury.

Temperature Fahren't.

Volume of

Steam compared with Vol of Water.

63

123.52

299.2

44 9

64

130.56

300.3

443

65

132 60

301.3

437

66

134.64

302.1

431

67

136.63

303.4

425

68

138.72

301.4

419

69

140.76

305,1

414

70

142.80

3064

408

71

144.84

307.4

403

72

146.88

303.4

398

73

148.92

309.3

393

74

150.96

310.3

388

75

153 02

311.2

333

76

155.06

312.2

379

77

157.10

313.1

374

73

150.14

314.0

370

79

161.18

314.9

366

80

163.22

315.8

362

81

165.26

316.7

353

82

167.30

317.6

354

83

169.34

318.4

350

84

171.38

319.3

346

85

173.12

320.1

342

86

175.46

321.0

339

87

177.50

321.8

335

83

179.54

322.6

332

89

181.58

323.5

328

90

183.62

324.3

325

91

185.66

325.1

322

92

187.70

325.9

319

93

189.74

326.7

316

94

191.78

327.5

313

95

193.82

328.2

310

9G

195.86

329.0

307

97

197.90

329.8

304

93

199.92

330.5

301

99

204.06

331.3

298

100

204.01

332.0

295

110

224.40

339.2

271

120

244.82

345.8

251

130

265.23

352.1

233

140

285.61

357.9

218

150

306.03

363.4

205

160

326.42

363.7

193

170

346.80

373.6

1S3

180

367.25

377.4

174

190

387.61

382.9

160

200

408.04

387.3

153

Water holding impurities in solution to to retard its attaining the aeriform state, and so impairs the amount of its elastic force at an equal temperature.

Common water...

boiling point, at

212° F.

elastic force.

30

inches

Sea Water..............

212 "

"

23 05

"

Common water..

boiling point, at

216o F.

"

32.5

"

Sea Water..............

216 "

"

21.6

"