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6 Galvanometers, c. 1900...
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2 Resistance Bridges and 2 Laboratory Devices...
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8 Large Measuring Instruments, c. 1900-20...
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Early French Magnetic Motor, c. 1870...
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Western Electric Dynamotor, c. 1895...
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"Roitel" Motor, c. 1910...
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2 Electric Motors, c. 1920...
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2 Early Swiss Electric Motors...
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3 Early Electric Motors, c. 1900...
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Spark Coil with Vacuum Scale, c. 1920...
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2 Early Electric Motors, c. 1900...
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4 Special Tools and Demonstration Instruments...
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Contact Pendulum by E. Zimmermann, c. 1923...
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Crookes Phosphorescent Butterfly Tube, c. 191...
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2 Physical Instruments, c. 1900...
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Japanese Mariner's Compass, c. 1850...
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Small Wood Terrestrial Globe, c. 1800...
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3 Compasses...
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French Tellurium, c. 1880...
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Islamic Brass Qibla Indicator...
