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Subject
- Commercial catalogs7
- Electric machines7
- Magneto-electric machines[remove]7
- Scientific apparatus and instruments7
- Science--Experiments4
- Magnetism3
- Scientific apparatus and instruments industry3
- Electric batteries2
- Electrometer2
- Barometers1
- Drawing instruments1
- Electric toys1
- Electroscope1
- Eyeglasses1
- Microscopes1
- Planetariums1
- Sturgeon, William, 1783-18501
- Telescopes1
- Thermometers1