190 



Buckhardt — Burkhardt. 



Elec. World: On the primary Standard of 

 light^), 4 S. (52, 1908). 



II. Franklin Inst.: Some problems in physi- 

 cal metallurgy at the Bureau of Standards, 37 S. 

 (1916). 



Journ. Brit. Iron & Steel Inst.: Sound steel 

 ingots & raus*), 89 S. (1915). 



Journ. de Chlm. phys.: Guye: Etat actuel 

 de l'echelle d. temper., 14 S. (11, 1913). 



Journ. de Phys.: Des points de fusion du 

 tantale & du tungstene»), 5 S. (1907). 



Met. & Chem. Engr.: Control of thermal 

 operat. & the Bureau of Standards, 5 S. (9, 

 1911). - Metallogr. & metallurgy at the Bureau 

 of Standards, 4 S. (10, 12). 



Monist: Poincare, Relat. betw. experim. & 

 mathem. physics, 29 S. (Übers.) (13, 1902). 



Paris, Acad. C. R.: Meth. pour determiner 

 la constante Newtonienne, 3 S. (129, 1899). — 

 Sur la temperat. de fusion du platina^), (1909). 

 — Mesure thermo-electr. d. points critiques du 

 fer«), 3 S. (163, 16), 



Philad., Journ. Engrs. Club: The Bureau of 

 stand. & its engineering contacts, 5 S. (1920). 



Physical Review: New form of Cavendish 

 balance, 10 S. — Value of the gravitat. con- 

 stant, 9 S. (14, 1902). — Alfred Cornu, 4 S. 

 (15, 02). — Determinat. of melting points by 

 radiat. methods^), 1 S. (22, 06). — Establish- 

 ment of the high temperat. scale^), 4 S. (24, 07). 



Physils. Zt'itschr.: D. gegenwärt. Stand d. 

 Temperaturskala, 6 S. — Ein Mikropyrometer, 

 2 S. (14, 1913). — D. Emiss. -Vermögen v. Me- 

 tallen & Oxyden; I: Nickeloxyd (NiO) zwi- 

 schen 600« & 1300° C^), 2 S. (15, 14). 



Sei. Monthly: Applicat. of sei. to warfare in 

 France, 9 S. (5, 1917). — Sei. in the after-war 

 period, 12 S. (8, 19) (auch in Journ. Wash. Acad. 

 Sei., 14 S., 9, 19). 



Trans. Amer. Electrotech. Soc: Estimat. of 

 high temperat., 12 S. (11, 1907). 



Washington, Acad. Sc. Journ.: Melting 

 points of the chemical elements, IS. — Note 

 on graphic solut. of Wien's spectral equat., 



5 S. (1, 1911). — Thermoelectric meth. f. tho 

 determinat. of the purity of platinum wäre'), 



6 S. (4, 14) (auch in Ind. & Eng. Chem., 8 S., 

 6, 14). — On a supposed allotropy of copper^), 

 6 S. (5, 15). 



Washington, Bur. of Stand. Bull.: Tem- 

 perat. of the arc'), 5 S. (auch in Phys. Rev., 

 17 S., 19, 1904). — Optical pyrometry»), 66 S. 

 (1, 1904) (auch in Phys. Rev., 10 S., 19, 04; 

 Engineering, London, 7 S., 83, 07; Bull, d'en- 

 couragement, 12 S., 07). — Radiat. fr. platinum 

 at high temperat., 5 S. (1, 05). — Preliminary 

 measurements on the temperat. & selective 

 radiat. of incandescent lamps^), 11 S. (2, 06) 

 (auch in Electr. World, 5 S., 48, 06; Eclairage 

 Electr., 6 S., 50, 07). — Melting points of the 

 iron group elements by a new radiat. meth., 

 11 S. (auch in Chem. News, 97, 08). — Radiat. 

 fr. & melting points of platinum & palladium^), 

 46 S. (3. 07). — Methods of obtaining cooling 

 curves, 27 S. (5, 08). — Electrotech. & metal 

 industry, 9 S. (6, 08). — Estimat. of the 

 temperat. of copper by means of optical Pyro- 

 meters, 9 S. (6, 09). — Platinum resistance ther- 

 mometry at high temperat.^), 82 S. (6, 10). — 

 Temperat. scale betw. 100« & 500« C^), 9 S. 

 (7, 10). — Constancy of the sulphur boiling 

 point^), 4 S. (7, 11). — Micropyrometer, 4 S. 

 (9, 12). — Melting points of refractory-elements; 

 1. elements of atomic weight fr. 48 to 59'), 12 S. 

 — Critical ranges A 2 & A 3 of pure iron^«), 

 56 S. (10, 14) (auch in Trans. Amer. Inst. Min. 

 Engrs., 13). — Emissivity of metals & oxides; 



I: nickel oxide (NiO) in the ränge 600« to 

 300« C^), II: measurements with the micro- 

 pyrometer»), 24 & 15 S. (11, 14). — Electrical 

 resistance & critical ranges of pure iron*), 

 17 S. (11, 15) (auch in Journ. Wash. Acad. Sei., 

 6 S. , 5, 15). — Emissivity of metals & oxides; 

 IV: iron oxide^), 7 S. — Characteristics of 

 radiat. pyrometers*), 88 S. — Study of the 

 quality of platinum wäre'), 28 S. (12, 15) (auch 

 in Journ. Ind. & Eng. Chem., 20 S., 7, 15). — 

 Further experim. on the volatilizat. of plati- 

 num*), 9 S. (13, 16). — Thermoelectric measure- 

 ment of critical ranges of pure iron*), 7 S. 

 (14, 16). 



Washington, Bur. of Stand Clrcular: Pyro- 

 metry testing & heat measurement^) (7). — 

 Metallographic testing*^) (42). — Invar & 

 related nickel steels') (58). — Stand samples 

 for thermometric fixed points^) (06). 



Washington, Bur. of St. Tech. Paper: Obser- 

 vat. on finishing temperat. & properties of 

 rails"), 63 S. (38, 1914). — Investigat. of tin 

 boiler plugs^^j^ 37 §_ (53^ 15) (auch in Journ. 

 Ind. & Eng. Chem., 6 S., 7, 15). — Some 

 foreign specificat. for railway materials: rails, 

 wheels, axles tires^^), 132 S. (61, 16). — Tem- 

 perat. measurements in Bessemer & open- 

 hearth practica, 29 S. (91, 17). — Conservat. 

 of tin in bearing metals, bronzes & solders^'), 

 9 S. (109, 19) (auch in Trans. Amer. Min. & 

 Met. Engrs., 9 S., 60, 19). — Steel rails from 

 sink-head & ordinary rail ingots, 61 S. (178, 21). 



— Tests of centrifugally cast steel, 22 S. (192, 

 21). — Manufacture & properties of steel plates 

 containing zirconium & other elements^^), 

 54 S. (207, 22). — Thermal stresses in chilled 

 iron car wheels"), 34 S. (209, 22). 



Zeltschr. f. anorg. Chemie: Lorenz: Schmelz- 

 punkte refraktärer Elemente«), 12 S. (82, 1913). 



— Thermoelektr. Verfahren z. Bestimmg. d. 

 Reinheit v. Platingeräten'), 6 S. (88, 14). 



Zeitschr. f. physik. Chemie: Ostwald: Os- 

 motic press. of some ether solut. & its relat. to 

 the Boyle-Van 't Hoff law"), 16 S. (28, 1899) 

 (auch in Phys. Rev., 7, 98). 



Mit ») Le Chatelier, •) F. D. Foote, ») C. W. VTaidner, 

 *) C. L. Warwick, •) Sir R. A. HadfieJd, •) H. Scotts 

 ') P. D. Säle, •) J. N. Kellberg, ») R. G. Waltenbcrg, 

 ") J. J. Crowe, ") H. S. Rawdon, ") P. D. Merica, 

 ") R. W. Woodward, ") H. M. Goodwin. 



Siehe C. W. Waidner. 



^^ Burkhard!, Heinrich, Dr. phiL 

 1887 München; war Prof., Math., Techn. 

 Hochsch., München; * 1861, f 191^, 

 Nov. 2, Schweinfurt. — (Nachr. 1 S. in 

 Zur. V. Sehr., 59, 1914.) 



Bllil. niath.: Z. Geschichte d. Interpolat. 

 durch Exponentialfunkt. (m. R. Kleeberg), 4 S. 

 (13, 1912/13). 



Göttingen, Ges. d. Wiss. Nachr.: Interpolat. 

 durch Exponential-Funkt., 3 S. (1907). 



Jahresber. d. Deut. Math. Vereinigg.: Ma- 

 themat. & naturwissensch. Denken, 8 S. (11,. 

 1902). — Reihenentwicklgn. nach oszUlier. 

 Funkt., 2 S. (12, 03). — Zu den Funkt, d. ellipt. 

 Zylinders, 1 S. (15, 06). — Mathemat. Miszellen 

 aus d. Vorlesgspraxis, 6 S. (22, 13). 



München, Akad. S.Ber.: Theorie d. trigono- 

 metr. Reihen & d. Entwicklgn. nach Kugel- 

 funkt., 23 S. (1909). — Untersuchgn. v. Cauchy 

 & Poisson üb. Wasserwellen, 24 S. (12). — 

 Theorie d. Gammafunkt., 14 S. (13). — Üb. 

 Funkt, großer Zahlen, insbes. üb. d. näherungs- 

 weise Bestimmg. entfernter GKeder in den 



