Physical description
Black and White photograph, mounted onto brown card of the interior of Ascot Vale Sub-station with two rotary converters in the foreground, and associated panels and four employees alongside the panels.
Rotary Converters have English Electric displayed on the machines.
Time-line history of Melbourne's Government cable electric trams and buses - George et al, page 30 gives date of opening as Dec. 1924.
Inscriptions & markings
Under the photograph, the words "Ascot Vale" has been written in ink and one person has been arrowed the expression "ME" written onto the photograph.