An engraving depicting a device invented by Mr Grothe of London for preventing pilfering by tram conductors. The conductor has to turn a handle clockwise when a passenger enters, and anti-clockwise when a passenger enters, and anti-clockwise when one leaves. The totals and the numbers remaining at any one time are recorded. Dated 19th century

px px dpi = cm x cm = MB
Details

Creative#:

TOP25302443

Source:

達志影像

Authorization Type:

RM

Release Information:

須由TPG 完整授權

Model Release:

No

Property Release:

No

Right to Privacy:

No

Same folder images:

Same folder images