Prepared by Preston Workshops staff, in the Truck Shop, to show the electrical apparatus line diagrams for testing of motors in a bogie or truck.Demonstrates the equipment used to test tramcar bogies or trucks prior to fitting to a tramcar.Drawing - dyeline print taped and edged to a piece of masonite. Has two screw holes for mounting on either side.trams, tramcars, bogies, trucks, truck shop, preston workshops, electrical engineering, electrical equipment

Public Works to submit a report regarding wiring diagram - sub-boards for Museum BuildingTyped letter on paper, with handwritten annotationsballarat school of mines, museum building, wiring, d h wheeler, education department of victoria, d.h. wheeler

Brass plate from HMAS Melbourne (Aircraft Carrier) decommissioned 1980Australia only had two Aircraft carriers, HMAS Melbourne and HMAS SydneyBrass plateMain Broadcast wiring group box / Group, From, To, Location

Item used to switch the power for the red tail lights circuit from the trolley pole to the battery circuit when the trolley pole was being reversed and not able to provide power to the internal and external lights. Made by the SECV. Salvaged from tram 14 during the project to renew the wiring and electrical arrangements of the tram. The box was located adjacent to the driver's windows and would click when the trolley pole was placed back on the overhead.Demonstrates an item fitted to a tramcar to switch an external battery tail lighting circuit.Wooden box made from softwood with bevelled corners, plywood top painted green containing an 8 Ohm "Post Office" type relay (see reference) fitted with two "break" contacts and associated insulated wiring soldered to the relevant contacts. See item 9024 for an associated drawing. Two examples held.fuse, tram 14, tramcars, tramcar maintenance, electrical switching

Light socket connected via electrical cord to ceiling wiring socket Clipsallight socket, ceiling

Helmet flying "C"Complete with wiring loom but missing one ear receiverheadgear, ww11, raaf

The item has come from the Ballarat School of Mines. It was possibly made at the school to demonstrate class processes - science and physics.Wooden box with Federal 240 volt meter and 3 fuse plugs. Appropriate wiring Federal on meterelectrical, fuses, ballarat school of mines, science, physics, demonstrate