Significance

Demonstrates aspects of the two types of trucks or bogies used on Ballarat trams and their design basis. Photocopied from a catalogue.

Physical description

Five pages, each page trimmed to a slightly different width, photocopy of an article titled "Brill's 21-E traction truck", reproduced from the 1905 Brill catalogue. Gives details of the truck, its capability, basis, use in New York for example, how it functions, load and speed capacity, motor size, basic dimensions, limitations and drawings.



2nd copy held as well - on toner based copy rather than heat sensitive paper.



Scanned copies of all sheets added 25/3/15.