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| RE5138 Galvanoscope |
| Insulated former with terminals, circular scale divided
into four quadrants each from 0 to 90°, with 30 turns
of enamelled copper wire and with magnetic needle provided
at the centre. |
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| RE5140 Induction Coil |
| Box form, coils are wound from insulated copper wire
and well insulated by wax, within condenser, in polished
wooden case, with reversing switch and removable discharge
points. Operates on 6-12V D.C. 5A. Spark length 25mm. |
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| RE5145 Compass, Magnetic |
Compass in aluminum case. Marked 0-360°, with eight
directions.
Diameter 45mm. |
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| RE5146 Compass, Plotting |
| Useful for plotting magnetic lines of force. Both sides
glass. Diameter 19mm. |
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| RE5147 Compass, With Cover
& Lock |
| Aluminum case. Diameter 45mm. Provided with a cover
and a locking mechanism to lock the pointer. |
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| RE5148 Compass, Magnetic,
Small |
Aluminium case, glass top.
Diameter
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