|
Date: |
|
Description: | mounted on three brass adjustable feet, a sub rectangular black wooden base holds two upright hinged wood plates. The plates each have terminals connecting to flat coils. On one side is a viewing window into the centre of the plates. A hollow rod protrudes from the top, into this is inserted a brass rod to the centre of the plates and window. A metal bar possibly a magnet pivots on the vertical rod. | License: | http://www.abdn.ac.uk/historic/Copyright_terms_conditions.shtml | Publisher: | ABDNP University of Aberdeen, Natural Philosophy Collection of Historical Scientific Instruments | Rights holder: | 47718 | Source: | University of Aberdeen | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
|
|