GB Houses of Parliament HM Office of Works Engineering Department brass tool check
brass 38mm, holed, numbered .4.
Unclear date – my guess pre 1960’s but could be earlier in the 20th century
GB Houses of Parliament HM Office of Works Engineering Department brass tool check
brass 38mm, holed, numbered .4.
Unclear date – my guess pre 1960’s but could be earlier in the 20th century
