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  • Year: 1950  
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Published

Harvard University Press, Cambridge, MA (8)
General Electric Company (2)
Am. Assoc. for the Advancement of Science, Cambridge, MA (1)
Annals of Science (1)
Appleton-Century-Crofts, Inc., New York (1)
Bausch & Lomb Optical Co., Rochester, NY (1)
Bausch & Lomb, Rochester, NY (1)
Burndy Library, New York (1)
Central Scientific Company, Chicago (1)
Cruft Laboratory, Harvard University, Cambridge, MA (1)
Department of Physics, Harvard University, Cambridge, MA (1)
E. Leitz, Inc., New York (1)
Editions Du Griffon, Neuchatel (1)
Electrical Engineering (1)
Ernst Leitz, Wetzlar, Germany (1)
Harvard College Observatory, Cambridge, MA (1)
Harvard University, Cambridge, MA (1)
Hewlett-Packard Company, Palo Alto, CA (1)
His Majesty's Stationery Office, London (1)
Howard W. Sams & Co., Inc., Indianapolis, IN (1)
ISIS, The History of Science Society/Cambridge MA (1)
John Smith and Son, Ltd., Glasgow, UK (1)
K. T. Bainbridge (1)
Leeds & Northrup Company, Philadelphia (1)
National Academy of Design, New York (1)
Paul Sack, Yonkers, NY (1)
Penn State Dept. of Physics, State College, PA (1)
Rijksmuseum voor de Geschiednis der Naturwetenschappen, Leiden (1)
Smithsonian Institution, Washington, DC (1)
Sylvania Electric Products, Inc., NY (1)
The Bostonian Society, Boston (1)
The Macmillan Company, New York (1)
The Macmillan Company/ new York (1)
Thomas Nelson & Sons, Ltd., Edinburgh (1)
W. M. Welch Manufacturing Co., Chicago (1)
W. M. Welch Scientific Co., Chicago (1)
W. M. Welch Scientific Company, Chicago (1)
Westinghouse Electric Corporation, East Pittsburgh, PA (1)

Year *

1950 (59)

Thesaurus

C5-A3 (7)
C3-B2 (6)
Physics (4)
C5-C1 (4)
Microscopes (3)
Collection of Hist. Sci. Inst. Harvard (3)
Experimental Science (3)
physics -- electromagnetism (3)
C3-A4 (3)
C4-F1 (3)
C5-C3 (3)
C5-D2 (3)
C6-A2 (3)
Subjects (2)
Electricity (2)
Acoustics (2)
Harvard University--Science (2)
Scientific Instruments--1700-1800 (2)
Nuclear Physics (2)
Bausch and Lomb (2)
Photography (2)
Periodic Table (2)
science education -- physics (2)
General Electric Motor Drives (2)
Direct Current Motor (2)
C3-B1 (2)
C3-F3 (2)
C4-H1 (2)
C5-B2 (2)
Astronomy (1)
Clocks (1)
Exhibits, CHSI (1)
Scientific Instruments-1700 to 1800 (1)
Clock (1)
Time measurement (1)
Chemistry (1)
Collection - The Science Museum, London (1)
Sundial (1)
Instrument makers - The Netherlands (1)
Greenwich Mean Time (1)
Albert Einstein (1)
Philosophy of Science (1)
Harvard University (1)
History of Science (1)
Electronics (1)
Pneumatics (1)
Robert Boyle (1)
Phlogiston Theory (1)
Caloric Theory (1)
Astrophysics (1)
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John Anderson: Pioneer of Technical Education and the College He Founded

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The Franklin Institute from 1824-1949

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Laboratory Instruments for Speed and Accuracy, Catalog 20-A

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Some Firsts in Astronomical Photography

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Lecture Notes for Physics 1

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Assorted Papers and Lecture Notes for Physics 1

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NR-014-903: Technical Memorandum No.7: Optimum Directivity Patterns for Linear Arrays

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Benjamin Franklin and Jonathan Edwards on Lightning and Earthquakes

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Interaction of a Spiral Electron Beam and a Resonant Microwave Cavity

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The Production of Millimeter Waves by Spark Discharges

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Determination of the Effect of Secondary Emissions in Power Tubes

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Laboratory apparatus and supplies for physics, chemistry, and the biological sciences

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