Sources of Heat and Cold. 



332 



1012 



StalLli, F. Abhangigkeit der Tem- 

 peratur fester Kohleusaure vom ausse- 

 ren Druck. ApotliZtg, Berlin, 21, 1906, 

 (1006-1007). 



Zeleny, J. und Zeleny, A. Die Tem- 

 pera tur fester Kohlensaure und ihrer 

 Mischuugen niit Aether und Alkohol 

 bei verschiedenen Drucken. (Uebers.) 

 Physik. Zs., Leipzig, 7, 1906, (716-719). 



1014 METHODS OF PRODUCING 

 CONSTANT TEMPERATURES. 

 THERMOSTATS. 



Amdt, K. Thermostaten. Zs. chem. 

 Apparatenk., Berlin, 1, 1906, (255-263). 



Bartelt, K. Ein neuer Fliissigkeits- 

 tliermoregulator. Wochenschr. Brau., 

 Berlin, 22, 1905, (13-U). 



Dony-H^nault, 0. Eine ueue Regu- 

 lierrohre fiir Thermostaten. (Uebers.) 

 Zs. Elektroch., Halle, 11, 1905, (3-5). 



Kamerlingli Onnes, H. [Methods and 

 apparatus used iu the cryogenic labora- 

 tory. VII. A modified cryostat. VIII. 

 Cryostat with liquid oxygen for tem- 

 peratures below — 210X'." IX. The puri- 

 fication of gases by cooling combined 

 with compression, especiallj- the pre- 

 paration of pure hydrogen.] Amster- 

 dam, Proc. Sci. K. Akad. Wet., 8, [1905], 

 (79-82, with I pi); Leiden, Coram. 

 Physic. Lab., No. 94, [1906], (13-30, 

 with 2 pis.) (English) ; Amsterdam, 

 Versl. Wis. Nat. Afd. K. Akad. Wet., 

 14, [1905], (154-157, with 1 pi.) (Dutch). 



Methods and apparatus 



used in the cryogenic laboratory at 

 Leiden. X. How to obtain baths of 

 constant and uniform temperature by 

 means of liquid hydrogen. XI. The 

 purification of hydrogen for the cycle. 

 XII. Cryostat especially for tempera- 

 tures from - 252° to - 259°. XIIL The 

 preparation of liquid air by means of 

 the cascade process. XIV. Preparation 

 of pure hydrogen through distillation of 

 less pure hydrogen. Amsterdam, Proc. 

 Sci. K. Akad. Wet., 9, [1906], (156-180, 

 with 6 pi.) (English) ; Amsterdam, Versl. 

 Wis. Nat. Afd. K. Akad. Wet., 15, 

 [1906], (109-133, with 6 pi.) (Dutch) ; 

 Leiden, Comm. Physic. Lab., 94, [1906], 

 (31-61, with 6 pi.) (English). 



Lewis, G. N. Zersetzung yon 

 Silberoxj'd durch Autokatalyse. [Thermo- 



stat.] (Uebers.) Zs. physik. Chem., 

 Leipzig, 52, 1905, (310-326). 



Lowry, T. M. The design of gas- 

 regulators for thermostats. London, 

 J. Chem. Soc, 87, 1905, (1030-1031). 



Osbom, F. A. A simple electrical 

 thermostat. J. Physic. Chem., Ithaca, 

 N.Y., 9, 1905, (297-298, with text fig.). 



Rogers, L. A. An electrically con- 

 trolled low temperature incubator. 

 Centralbl. Bakt., Jena, Abt. 2, 15, 1905, 

 (236-239). 



Sodeau, W. H. Temperature regu- 

 lators. London, J. Soc. Chem. Indust., 

 23, 1904, (1134-1136). 



1200 



THEEMOMETRY. 

 GENERAL. 



Die amerikanischen Priifungsbestim- 

 mungen fiir Thermometer. D. MechZtg, 

 Berlin, 1906, (8-11, 18-19, 28-30, 48- 

 50, 58-59, 76-78). 



I nuovi progress! negli apparecchi di 

 misura delle alte temperature. Poli- 

 tech., Milano, 52, 1904, (549-552). 



Aufhauser. Aufbewahrung feiaer 

 Thermometer. Zs. chem. Apparaten- 

 kunde, Berlin, 1, 1906, (266). 



Baikov, A. A. Phenomenes de con- 

 tact dans la flamme ayant lieu sous I'iu- 

 flueuce des^corps solides. (Russ.) St. 

 Peterburg, Zurn. russ. fiz.-chim. 0b§c.. 

 37, 2, 1905, (156-169). 



Bronn, J. Die Apparate und Metho- 

 deu zur Messung hoher Temperaturen. 

 Zs. angew. Chem., Berlin, 18, 1905, 

 (462-464). 



Gray, T. High-temperature measure- 

 ments (xyith demonstration of pyrometer). 

 London, J. Soc. Chem. Indust., 23, 1904, 

 (1192-1197). 



Jaeger, W. und Steinwehr, H. yon. 

 Bemerkung zu einer Veroffentlichung 

 der Herren Th. W. Richards, L. J. 

 Henderson und G. S. Forbes iiber die 

 Elimination von thermometrischerNach- 

 wirkung usw. in der Kalorimetrie. 

 Zs. physik. Chem., Leipzig, 54, 1906, 

 (428-432). 



Erellsen, 0. Empfindlichkeit der 

 Thermometer. Zs. Heiz., Halle, 11, 

 1906, (33-37, 55-56), 



