Cathetometer telescope by Townson & Mercer Ltd.

Cathetometer telescope by Townson & Mercer Ltd

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Cathetometer telescope by Townson & Mercer Ltd
Science Museum Group
© The Board of Trustees of the Science Museum

Cathetometer telescope by Townson & Mercer Ltd., London, simple type with no fixed marks for making measurements. (Part of eye-piece missing)

Details

Category:
Science Teaching
Object Number:
1983-914
type:
cathetometer
credit:
Mary Datchelor Girls' School