LOCK No. 39
Used in Boxes Coin Collecting 700 type and 14.
Fitted to the engineers compartment cover and differing keys were allocated to each major exchange area. These can be identified by a prefix i.e. 39CA where CA is the area code.
The key number is printed on the rear of the lock.
Superseded the Lock No. 31
Last revised: May 25, 2013