Rolling parallel rule by Dollond with enamel dial

Made:
London
maker:
Dollond family
Rolling parallel rule by Dollond with enamel dial

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Rolling parallel rule by Dollond with enamel dial
Science Museum Group
© The Board of Trustees of the Science Museum

Rolling parallel rule by Dollond with enamel dial

Details

Category:
Mathematics
Object Number:
1980-1055
type:
rules (drawing) and rolling parallel rules
credit:
Delehar, P.