Historical information
Shows the type of trolley pole base that was used on W, Z, and some A class trams prior to replacement by pantographs.
Significance
Shows a MMTB TRolley pole base used on W class tramcars.
Physical description
Black and White photograph the MMTB Type trolley pole base with lines and markings drawn on it in ink as part of an printed illustration. Second copy does not have marks.
