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1 to 12 of 144
  • Artist / Maker / Culture: Harold C. Ernst  
  • Artist / Maker / Culture: Department of Physics, Bowdoin College  
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Department of Physics, Bowdoin College (100)
Harold C. Ernst (45)
American (33)
Ernst Collection of Sundials (14)
Central Scientific Company (11)
English (8)
Ernst-Lewis Collection of Microscopes (7)
Carl Zeiss (company timeline) (6)
Société Genevoise pour la Construction d'Instruments de Physique et de Mécanique (6)
Carl Zeiss, Optische Werkstätte, Jena (5)
Ernst Abbe (5)
French (5)
General Radio Company (5)
Bausch & Lomb Optical Company (4)
Carl Friedrich Zeiss (4)
Ernst Leitz (company) (3)
Naval Training School, Bowdoin College (3)
Department of Physics, Harvard University (2)
DuMont Laboratories (2)
E. S. Ritchie & Sons (2)
Federal Manufacturing & Engineering Corporation (2)
General Physical Laboratory (2)
German (2)
Hilger and Watts, Ltd. (2)
I. M. (2)
Japanese (2)
Jarrell-Ash Company (2)
Karner workshop (2)
Perkin-Elmer Company (2)
Robert W. Paul Instrument Company (2)
The Gaertner Scientific Corporation (2)
Tube Light Engineering Company (2)
United States Navy (2)
A. R. (1)
Alexander S. Begg (1)
Alvan Clark and Sons (1)
American Radio and Research Corporation (1)
Boston Optical Works (1)
Carl Zeiss Jena (1)
Carl Zeiss alliance with Bausch & Lomb (1)
Charles A. Spencer (1)
Charles Bloud (1)
Charles Cagniard de la Tour (1)
Charles Stodder (1)
Charles X. Dalton (1)
Clarence A. Cheever (1)
David Beringer (1)
De Forest Radio Telephone & Telegraph Company (1)
Department of Geology and Geography, Harvard University (1)
E. Hartnack & A. Prazmowski (1)

Classification / Category

Microscope (12)
Sundial (12)
Dividing Engine (6)
Demonstration Apparatus (5)
Oscillator (5)
Balance (3)
Demonstration (3)
Gyroscope (3)
Mechanics demonstration apparatus (3)
Model (3)
Radiation Demonstration Apparatus (3)
Stand (3)
Variometer (3)
Ammeter (2)
Battery (2)
Diffraction Grating (2)
Hydrometer (2)
Induction Coil (2)
Interferometer (2)
Kerr Cell (2)
Microtome Knife (2)
Oscillograph (2)
Polarimeter (2)
Signal Generator (2)
Spectrograph (2)
Switch (2)
Tuning Fork (2)
Watch (2)
Arc Lamp (1)
Ball (1)
Burner (1)
Camera Lucida (1)
Camera Part (1)
Centripetal Force Demonstration (1)
Cloud Chamber (1)
Coil (1)
Coincidence Counter (1)
Color Wheel (1)
Demonstration Model (1)
Electrical Chimes (1)
Electroscope (1)
Ellipsometer (1)
Fire Syringe (1)
Haemacytometer (1)
Hero's Engine (1)
Hydraulic Apparatus (1)
Insertion Units (1)
Instrument Component (1)
Lantern Slides (1)
Laser (1)

Collections

radio (6)
Exhibit 2005--CHSI's Putnam Gallery (4)
Exhibit 2010--Sensations of Tone (3)
Clocks and Watches (2)
Tolles microscopes (1)

Date

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3 diffraction color photographs, slit, color photograph on lantern slides

3 diffraction color photographs, slit, color photograph on lantern slides

American
circa 1906
Abbe refractometer, Zeiss Model I

Abbe refractometer, Zeiss Model I

Carl Zeiss Jena
circa 1915
Abbe-type stereoscopic eyepiece for Zeiss stand 1 compound microscope

Abbe-type stereoscopic eyepiece for Zeiss stand 1 compound microscope

Carl Friedrich Zeiss
1885
AMRAD type 2611 variometer

AMRAD type 2611 variometer

American Radio and Research Corporation
circa 1921
apothecary's balance

apothecary's balance

American
mid 19th Century
apparatus to show expansion of metal upon heating

apparatus to show expansion of metal upon heating

American
1870-1900
Archimedean water screw demonstration

Archimedean water screw demonstration

American
1880-1940
audio oscillator teaching model

audio oscillator teaching model

Department of Physics, Bowdoin College
after 1950
audio oscillator teaching model

audio oscillator teaching model

Department of Physics, Bowdoin College
after 1950
ball used in physics demonstrations

ball used in physics demonstrations

Wiffle Ball Inc.
circa 1954
Baumé hydrometer for sulphuric acid

Baumé hydrometer for sulphuric acid

Electric Storage Battery Company
circa 1900
beat-frequency oscillator

beat-frequency oscillator

General Radio Company
circa 1935
/ 12 Next

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