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1 to 12 of 75 results for *
  • Year: 1930  
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Published

Bausch & Lomb Optical Co., Rochester, NY (4)
Bell Telephone Laboratories, NY (4)
Leeds & Northrup Company, Philadelphia (4)
Carl Zeiss, Jena, Germany (3)
Cooke, Troughton & Simms Ltd., London (3)
H. Tinsey & Co., London (3)
Henry Wild Surveying Instruments Supply Co., Ltd., Heerbrugg, Sw (3)
Henry Wild, Ld., Heerbrugg, Switzerland (3)
Adam Hilger, Ltd., London (2)
Spencer Lens Company, Buffalo, NY (2)
W. M. Welch Scientific Company, Chicago (2)
Adam Hilger Ltd., London (1)
Boonton Research Corporation, Boonton, NJ (1)
C. F. Casella & Co. Ltd., London (1)
C. H. Stoelting Co., Chicago (1)
C. L. Berger & Sons, Inc., Boston (1)
Cambridge Instrument Co., Ltd., London (1)
Cambridge Instrument Company, Inc., London (1)
Carl Zeiss, Inc., New York (1)
Carl Zeiss/ Jena (1)
E. Leybold's Nachfolger, Cologne, Germany (1)
Edward J. Willis, Richmond, VA (1)
Fisher Scientific Company, Pittsburgh, PA (1)
Gernsback Publications, Inc., New York (1)
Hanovia Chemical & Mfg. Co., Newark, NJ (1)
Henry Holt and Company, New York (1)
Horace Liveright, New York (1)
J. T. Slocomb Co., Providence, RI (1)
MacMillan and Co., Limited, London (1)
Royal Institution of Great Britain (1)
Submarine Signal Company, Boston (1)
The American Platinum Works, Newark, NJ (1)
The Emil Greiner Company, New York (1)
The Gaertner Scientific Corporation, Chicago (1)
The Morrill Press, Fulton, NY (1)
Thermal Syndicate Limited, New York (1)
Thompson Products, Inc., Cleveland (1)
Western Electric Company, Chicago (1)
Weston Electrical Instrument Corporation, Newark, NJ (1)
Yokogawa Denki Seisaku-Sho, Ltd., Tokyo (1)

Year *

1930 (75)

Thesaurus

C5-B1 (12)
Microscopes (10)
C3-D1 (7)
Electrical Instruments (6)
Scientific Instruments -- Catalogue (6)
Henry Wild Ld., Heerbrugg (6)
C4-A2 (6)
Electricity (5)
C3-G1 (4)
C4-A1 (4)
C6-A1 (4)
C6-A2 (4)
Optical Instruments (3)
Acoustics (3)
Bausch and Lomb (3)
Carl Zeiss Inc., Jena (3)
Scientific Instruments -- Catalogues (3)
H. Tinsey & Co. (3)
Leeds & Northrup Company (3)
C5-A2 (3)
C5-A3 (3)
C6-D1 (3)
Electronics (2)
Spectrographs (2)
Metallurgy (2)
Spencer Lens Company (2)
Carl Zeiss, Jena (2)
Microphones (2)
Surveying Instruments (2)
Levels (2)
Bausch & Lomb Optical Company (2)
Sound Reproduction (2)
Physical Apparatus (2)
scientific instruments -- astronomy (2)
scientific instruments -- surveying (2)
surveying -- instruments (2)
scientific instruments -- educational (2)
Potentiometers (2)
General Electric--history. (2)
C3-D4 (2)
C4-B4 (2)
C4-H1 (2)
C5-B2 (2)
C5-C1 (2)
C5-E2 (2)
Clocks (1)
Navigation (1)
Telephones (1)
Scientific Instruments (1)
Physics (1)
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The Educational Focus

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Microscope Illuminators

Sub-Title: Dupe
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Apparatus, Tests, and Supplies

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Greenough and Wide-Field Binocular Microscopes

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Spencer Microscopes, Microtomes, Delineascopes, and Optical Measuring Instruments

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Spencer Microscopes, Microtomes, Delineascopes, and Optical Measuring Instruments

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Zeiss Microscopes: Large Universal Stand S

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Zeiss Binocular Tube Attachment with Inclined Eyepieces "Bitukni"

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Zeiss Stereoscopic Dissecting-Microscopes (Binocular Microscopes X)

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Instruments for Measuring and Recording Smoke and Dust Pollution

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Suggestions for the Adjustments and Use of Reeves's Prism Attachment for Theodolites

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Volt Ratio Boxes for the Measurement of Voltages by Means of a Potentiometer

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