CATALOGUE. — HEAT. 



385 



Sources of Heat and Cold. 



Sources simply mechanical; fric- 

 tion, compression. 



See Capacity for Heat. 



Philo Belopoiica. 

 Says that fire came out of Ctcsibius's airgun. 



Friction. Pliny Hist. nat. §. 76, 77. 



Of heat and cold in a vacuum. C. Bon. H. i. 

 312. 



Of cold from expansion in the machine at 

 Schemnitz. Ph. tr. ]762. 



Darwin's frigorific experiments on the ex- 

 pansion of air. Ph.tr. 1788.43. 

 An effect of 4" or 5° was produced in some experiments. 



Pictet on heat from friction. Ess. ix. 



Picteton cold produced by exhaustion. Journ. 



Phys. XLVn. (IV.).186. 

 Baillet on ice produced by the expansion of 



air. Journ. Phys. XLVIH. IG6. 



Rumford on the heat excited by friction. 



Ph. tr. 1798. 80. Ess. 11. ix. Nich. H. 



10(3. 

 On heat from compression. Ph. M. VHI. 



214. 

 Dalton on the heat produced by mechanical 



condensation. Manch. M. V. 515. Nich. 



8. ni. 160. Repert. ii. H. 118. Ph. M. 



XUl. 59. Gilb. XIV. 101. 



Estimates, that air under the pressure of two atmo- 

 spheres absorbs 50° of heat in expanding ; and that some- 

 thing more than iO° is produced when air is admitted into 

 an exhausted receiver. See Capacity. 



Davy on the collision of steel. Journ. R. I. I. 



Nich. 8. IV. 103. 

 On heat in the condenser. Ph. M. XIV. 3G3. 

 B. Soc. Phil. n. 87. 



Tow was inflamed in an air gun ; and light was seen 

 through a strorg glass fixed in the substance of the ma- 

 chine. 



VOL. II. 



Combustion. 



See Economy of Heat. 



Sage on fuel. A. P. 1785.239- Roz. XXVIII. 



57. 

 Fordyce. Ph. tr. 1787- 



Suspected that fuel difFerently burnt gave diflferent quan- 

 tities of heat. Sometimes indeed much is wasted iu 

 smoke. 



Thomson on combustion. Nich. 8. II. 10. 



Spontaneous Combustions. 



Albiniis et Kletwich de phosphoro. 8. Frankf. 

 an der Oder 1688. 



Lefevre on a' spontaneous inflammation of 

 serge in a fulling mill. A. P 1725. H. 4. 



The Empress and Georgi on spontaneous in- 

 flammations with oil, soot, and other sub- 

 stances. A. Petr. III. i. H. 3. 



Carette. Roz. XXVII. 92. 



Morozzo on spontaneous inflammations. M. 

 Tur. 1786. III. 478. Repert. II. 4l6. 



Humfries on a spontaneous inflammation. 

 Ph.tr. 1794. 426. 

 From linseed oil poured on cotton cloth. 



Spontaneous inflammations at Spalding and ' 

 elsewhere. Repert. III. 19, 21, 95. 



Supposed s])ontaneous combustion of a black 

 silk stocking. Ph. M. XVI. 92. 



Bartholdi on spontaneous inflammation. Ann. 

 Ch. Nich. VIII. 216. 



Effects of Heat. 



Temporary Effects and Measures 

 of Heat. 



Expa?uion. Pyrometers, Thermometers, * 



See Meteorology. 



Experiments of the Academy del Cimento. i. 



With Musschenbroek's additions. 



Spicit thermometers described. 

 3 D 



