Crystal Palace International Electric Exhibition 1881-82
År: 1882
Sider: 102
UDK: 621.30 : 06 (064)
DOI: 10.48563/dtu-0000189
Official Catalogue, Edited by W. Grist with Specially Prepared Plans, showing the position of each exhibitor and indicating the spaces lighted by the various sytems.
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30
Portable Apparatus for testing electrical resistances,
with Battery and Galvanoscope complete.
[79.] Earthplates, Leads, and Connectors for use with No. 78,
when testing lightning conductors.
[80.] Two Heliostats.
[81.] Telescope and Stands for Army sgiialling',
[82.]
HER MAJESTY’S GOVERNMENT.
itorUs of tfje Omnalti?.
Electrical Indicator for showing the position of the helm of
H.M.S. “ Inflexible” at last degree. North Nave.