Physical description
Instruction or Manual, photocopy, four pages for the National Type PV brake valve fitted to trams 18 and 38 at Ballarat. Gives drawings, description, parts, operation, application positions.
Instruction or Manual, photocopy, four pages for the National Type PV brake valve fitted to trams 18 and 38 at Ballarat. Gives drawings, description, parts, operation, application positions.