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Gunners callipers, 6 inch by H.Gregory, brass 18th century
Science Museum Group
© The Board of Trustees of the Science Museum
Gunners callipers, 6 inch by H.Gregory, brass 18th century
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London
Gunners callipers, 6 inch by H.Gregory, brass 18th century
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London
Gunners callipers, 6 inch by H.Gregory, brass 18th century
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London
Gunners callipers, 6 inch by H.Gregory, brass 18th century
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London
Gunners callipers, 6 inch by H.Gregory, brass 18th century
Science Museum Group Collection
© The Board of Trustees of the Science Museum