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Cathetometer

Cathetometer

Cathetometer telescope by Townson & Mercer Ltd.

Cathetometer telescope by Townson & Mercer Ltd.

1900-1949

Cathetometer, once owned by W.M. Bayliss

Cathetometer, once owned by W.M. Bayliss

1900-1930

Table cathetometer, scale 0.36 metre long; reading by micrometer screw to 1/1000 mm

Table cathetometer

Cathetometer

Cathetometer by F W Breithaupt & Sohn, Hesse Cassel, 1883

Cathetometer by F W Breithaupt & Sohn

1883