Objects
Viewing Record 2 of 156Previous Record Next Record
Switch Views: Lightbox | Image List | List
'Bondwell' opticians slide rule
MANUFACTURING AND DISPENSING EQUIPMENT
slide rule
C. W. Dixey & Son Ltd
Europe: United Kingdom, England, London
c.1905
metal; bone
overall: 25 mm x 169 mm
2010.580
MANUFACTURING AND DISPENSING EQUIPMENT
slide rule
C. W. Dixey & Son Ltd
Europe: United Kingdom, England, London
c.1905
metal; bone
overall: 25 mm x 169 mm
Optician's slide rule for calculating spherical and prism lens powers, comprising two rectangular bars in bone (?) set within white metal slide, overprinted with dioptric scales on one side only.
2010.580
Gift of Mr Brian Mitchell, 2010