Slide rules HOME page COLLECTION 5 INCH RULES
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Make Hardmuth, England
Model Classic I
Notes

1. This is a very ordinary rule produced by a British company, Hardmuth, probably in the early years after the second World War.

2. The "torch" was their logo.

3. The mthod of constrution appears to be similar to that of Unique, namely paper scales covered by clear plastic.

 

Front view
0531-classici-01.jpg (8623 bytes)

Front left
0531-classici-02.jpg (8443 bytes)
Manufacturing date After 1944 (date of creation of the company) and probably around 1950.
Length 5"
Material Celluloid on wood.
Scales Annamed but A,B,C and D
Cursor Brass and plastic.
Hair lines Single