A 1920’s cased standard inch by W & T Avery Ltd London, made for the County Borough of Preston.
Indenture number: 3861.
Portcullis date marks for 1926, 1935, 1946 and 1956.
Royal ciphers: G V R, G VI R and E II R.
Case dimensions: 5 x 5 x 2 cm.
For more information on the marks of standard weights and measure see:
Marks and marking of weights and measures of the British Isles. Carl Ricketts, 1996.
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