Made of brass, interchangeable on pillars, fitted with insulators' of ebonite, Sphere 5 cm. dia., Cylinder 12.5x5 cm. dia., Cone 10x 5 cm. length x diameter.
Cat. No. |
Description |
A |
Individually Mounted on metal base |
B |
Individually Mounted on Bakelite Base |
C |
Mounted on single interchangeable Metal Base |
D |
Mounted on single interchangeable Bakelite Base |
Â
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