238 



Common — Comstock. 



1^ Common, Andrew A., 1891 LLD. 



e. h.; 95 & 96 Präs. d. Astr. Soc, Lon- 

 don, erhielt d. Gold. Med. d. Astr. Soc. 

 für seine Abbildg. d. Orion-Nebels; *1841, 

 Aug. 7, Newcastle-on-Tyne, f 1903, 

 Juni 2, London. — (Nachr. v. Turner in 

 A. N., 162, 1903). 



Erbaute 1887—90 einen 5-Fuß-Reflektor f. 

 seine Privatsternw. in Eaton Rise Ealing, Lon- 

 don W., & mehrere kleinere Reflektoren z. 

 Beobachtg. v. Sonnenfinsternissen. 



Compton, Arthur H. ; Prof., Phys., 

 Washington-Uni V., St. Louis, U.S.A. 



Amer. Phys. Soc. Rev.: Determinat. of lati- 

 tude, azimuth & the length of the day inde- 

 pendent of astron. observats., 9 S. (5, 1915). — 

 Variat. of the spec. heat of solids with tem- 

 perat., 13 S. (6, 15). — Physical study of the 

 thermal conductivity of solids, 8 S. — Locat. 

 of the therm, energy of solids, 6 S. — A record- 

 ing X-ray spectrometer & the high frequency 

 spectr. of W, 14 S. (7, 16). — Intensity of X- 

 ray reflect. & distribut. of the electrons in 

 atoms, 29 S. — Temperat. coeffic. of contact 

 Potential, 2 S. (9, 17). — The grating space of 

 calcite & the X-ray spectrum of Ga, 3 S. (11, 

 18). — Size & shape of the electron, 24 & 11 S. 



— Modificat. of the quadrant electrom. : Its 

 theory & use (m. K. T. Compton), 14 S. (14, 19). 



— Cathode fall in Ne (m. C. C. van Voorhis), 

 6 S. (15, 20). — Is the atom the ultimate 

 magn. particle?, 13 S. (16, 20). — The absorpt. 

 of gamma rays by magnetized iron, 4 S. (17, 

 21). — The width of X-ray spectr. lines, 5 S. 

 (19, 22). 



Phil. Ma;?.: Radioactiv. & the gravitat. 

 field, 4 S. (39, 1920). — Possible magn. po- 

 larity of free electrons, 3 S. — Degradat. of 

 y-ray energy, 21 S. — Wavelength of hard 

 y-rays, 8 S. (41, 21). 



Siehe G. Bertrand. 



Compton, Karl T., M. S. 1909 

 Wooster, Ph. D. 12 Princeton, D. Sc. 

 23 Wooster; stud. 04—09 Wooster, 

 09 Ann Arbor, 10—13 Princeton; 13—15 

 Instructor, Phys., Eeed. Coli., seit 15 

 Prof., Phys., Univ., Princeton; * 1887, 

 Sept. 14, Wooster, Ohio, U.S.A. (Eig. 

 Mitt.) 

 Erfindg. : Compton electrometer 1916. 



Amer. Phil. Soc. Proc: Are spectra & 

 ionizat. potent, in dissociated gases, 15 S. (61, 

 1922). 



Amer. Phys. Soc. Rev.: The Wehnelt inter- 

 rupter, 19 S. (30, 1910). — Photoelectr. proper- 

 ties & contact resistances of thin cathode 

 films, 12 S. (2, 13). — Velocity of electrons 

 liberated by photo-electric act., 11 S. (1, 13). 



— Temperat. changes accompanying the adiab. 

 compression of steel (m. D. B. Webster), 8 S. 



— Nature of the ultimate magn. particle (m. 

 E. A. Trousdale), 4 S. (5, 15). — Charged surf, 

 layers formed on the electrodes of vacuum 

 tubes^), 6 S. (6. 15). — Temperat. coeffic. of 

 contact Potential, 6 & 2 S. (7 & 9, 16 & 17). — 

 Theory of ionizat. by collis. I: Distribut. of 

 velocities of the electrons, 8 S. — II: Case of 

 inelastic impact, 8 S. (7, 16). — III: Case of 

 elast. impact, 9 S. (11, 18). — IV: Cases of 



elast. & partially elast. impact.*), 7 S. (11, 18). 



— Mean free path of an electron in a gas & 

 its minim. ionizing potent., öS. — Applicat. 

 of the electron theory of gaseous dielectrics to 

 the calculat. of minim. ionizing potentials, 5 S. 



— Nature of the coUiss. of electrons with gas 

 molec.*), 16 S. (8, 16). — Passage of photo- 

 electrons through metals^), 18 S. (13, 19). — 

 Ionizat. by sucess. impacts, & its act. in low 

 voltage arcs, 11 S. (15, 20). — Minimum arcing 

 voltage in He*) *), 8 S. (16, 20). — Elasticity 

 of impact of electrons with gas molec, 19 S. 

 (11, 18). — Sensit, modificat. of the quadrant 

 electr., 14 S. (14, 19). — Effect of fluoresc. & 

 dissociat. on the ionizing potent, of jodine 

 vapor, 13 S. (16, 20) (auch in Science, 3S.,51, 

 20). — Radiating & ionizing potentials of H*), 

 9 S. (17, 21). — Distribut. of ränge of recoil 

 atoms, 4 S. (19, 22). — Ionizat. by cumulative 

 act. & the low voltaic arc, 17 S. (äO, 22). 



Chicago, Astrophys. Journ.: Excitat. of 

 the spectr. of He»), 7 S. (53, 1920). 



Franklin Inst. Journ.: The three-electrode 

 bulb, 20 S. (1922). 



Opt. Soc. of America, Journ.: Tungsten 

 furnace for experiments on dissociat. & ionizat., 

 3 S. (6, 1922). 



Pliil. Mag.: Influence of the contact dif- 

 ference of potent, betw. the plates emitting & 

 receiving electrons liberated by ultraviolet 

 light on the measurem. of the velocities of 

 these electrons, 15 S. (33. 1912). — Photo- 

 electric effect (m. 0. W. Richardson), 20 & 

 19 S. (24 & 26, 12 & 13). — Diffus, cells in 

 ionized gases, 6 S. (32, 16). — Ionizat. & pro- 

 duct. of radiat. by electron impacts in He 

 investigated by a new method, 16 S. (40, 20). 



— Ionizat. by cumulative act., 6 S. (43, 22). 

 Princeton Lect.: Discoveries & theories 



relating to the structure of matter, 10 S. 

 (1922). 



Mit ') L. W. Ross, =) J. M. Benade, =) E. G. LilJy, 

 *) P. S. Olmstead. 



Siehe A.^H. Compton & 0. W. Ri- 

 chardson. 



Comstock, Daniel F., Dr. phil. 1906 

 Basel; stud. 1900— 04 Inst., Technology, 

 Boston, 05 Berlin, 05 — 06 Zürich, 06 Basel, 

 06—07 Cambridge, Engl.; 04 Lehrer, 

 Inst., Technology, Boston, 05— lOInstr., 

 theor. Phys., 10—15 Assist. Prof., 15-17 

 Assoc. Prof., seit 14 Vizepräs. & Schatz- 

 mstr., Kalmus, Comstock & Wescolt, 

 Inc. industr. research; * 1883, Aug. 14, 

 Newport, R. I., U.S.A. (Eig. Mitt.) 



Haupterfinder des „Technicolor"-Systems d. 

 Beweggs.bilder (mot. pictures) in natürlichen 

 Farben. Etliche 30 Patente. 



Verfasser v. Nature of matter & electri- 

 city (m. L. T. Troland), 1917. 



Amer. Cheni. Soc. Journ.: Indestructibility 

 of matter & absence of exact relats. among the 

 atomic weights, 5 S. (30, 1908). 



Amer. Phys. Soc. Rev.: Electromagn. mo- 

 mentum of a general electr. system, 3 S. (27, 

 1908). — Radiat. from neutral electr. Systems, 

 2 S. (28, 09). — Neglected type of relativity, 

 1 S. (30. 10). — A new virial theorem, 2 S. 

 (33, 11). 



Philadelphia, Phil. Soc. Proc: Electricity 

 & matter. I: General principles, 12 S. (50, 

 1911). 



