thick on the outside and a board
3/8-in. thick on the inside. The lock, brass plate, board and
trunk cover are all securely riveted together. The support for the
dial is soldered to the brass plate.
The hasp, if that be the name for the double toothed arrangement
that catches into the lock, was to be secured by only three brass
screws, which seemed to be insufficient, says a correspondent of
the Metal Worker; therefore a piece of heavy tin was formed over
the front of the trunk, which is only 3/8-in. board, the hasp
tinned and soldered to the back of the now U-shaped tin, and the
tin placed over the board and all fastened in position. The tin is
4 in. wide, 16 in. long and when placed over the board, it laps
down about 8 in. between the boards, and the same distance inside
of the new board, as shown by the heavy line in the cross section,
Fig. 1. Wrought nails are used which pass twice through the tin
and both boards, and then well clinched. The three screws were
then put in the hasp.
The knob on the dial extends out too far, which may be filed off
and two holes substituted, as shown, with which to operate the
dial.
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