Counterpoise with lead weight

PART OF:
South facing, 8-foot mural quadrant from Radcliffe Observatory
Made:
1773 in London
maker:
John Bird

Counterpoise with lead weights for mural quadrant of 8 foot radius by Bird, 1773

Details

Category:
Astronomy
Object Number:
1935-4 Pt1
Materials:
lead and iron
type:
instrument component and mural quadrant
credit:
Trustees of Dr. John Radcliffe

Parts

lead weight

lead weight

Lead weight for mural quadrant of 8 foot radius by Bird, 1773

Materials:
lead
Object Number:
1935-4 PT1/1
type:
lead weight
Image ©
The Board of Trustees of the Science Museum
SMG00032076 SMG00032076

Document for counterpoise

Document for counterpoise for mural quadrant of 8 foot radius by Bird, 1773

Object Number:
1935-4 PT1/2
type:
document
Image ©
The Board of Trustees of the Science Museum
T-bar for mural quadrant

T-bar for mural quadrant

T-bar for mural quadrant of 8 foot radius by Bird, 1773

Object Number:
1935-4 PT1/3
type:
bar
Image ©
The Board of Trustees of the Science Museum
Weight for mural quadrant

Weight for mural quadrant

Weight for mural quadrant of 8 foot radius by Bird, 1773

Object Number:
1935-4 PT1/4
type:
weight
Image ©
The Board of Trustees of the Science Museum
Components for mural quadrant

Components for mural quadrant

Components for mural quadrant of 8 foot radius by Bird, 1773

Object Number:
1935-4 PT1/5
type:
components
Image ©
The Board of Trustees of the Science Museum

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