Priestley Smith perimeter

Priestley Smith perimeter, with spare parts and accessories Priestley Smith perimeter Priestley Smith perimeter Priestley Smith perimeter Priestley Smith perimeter

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Priestley Smith perimeter, with spare parts and accessories
Science Museum Group
The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Priestley Smith perimeter, with spare parts and accessories, wood and steel, probably British, early 20th century, Curry and Paxton marked on accessories

Details

Category:
Ophthalmology
Object Number:
1977-627/2
Materials:
steel, mahogany, boxwood, brass (copper, zinc alloy), paper (fibre product), textile, wood (unidentified), paint, card, bone and complete
Measurements:
overall (perimeter): 645 mm x 490 mm x 197 mm, 3.822 kg
overall (tray): 48 mm x 256 mm x 194 mm, 0.542 kg
type:
perimeters
credit:
Spread Eagle Antiques

Parts

Fifty-seven paper sheets of Priestly Smith perimeter chart for the left eye

Fifty-seven paper sheets of Priestly Smith perimeter chart for the left eye

Fifty-seven paper sheets of Priestly Smith perimeter chart for the left eye, made by Curry & Paxton Ltd, early 20th century. Thirty-one sheets are marked with ‘A’, twenty-six sheets are marked with ‘B’.

Measurements:
overall: 115 mm x 115 mm
Materials:
paper
Object Number:
1977-627/2/2
type:
perimeter chart
Sixty-five paper sheets of Priestly Smith perimeter chart for the right eye

Sixty-five paper sheets of Priestly Smith perimeter chart for the right eye

Sixty-five paper sheets of Priestly Smith perimeter chart for the right eye, made by Curry & Paxton Ltd, early 20th century.Thirty-eight sheets are marked with ‘A’, twenty-seven sheets are marked with ‘B’.

Measurements:
overall: 115 mm x 115 mm
Materials:
paper
Object Number:
1977-627/2/3
type:
perimeter chart
Five black metal bars with pierced flat drop-shaped end

Five black metal bars with pierced flat drop-shaped end

Five black metal bars with pierced flat drop-shaped end, accessories for Priestley Smith perimeter, early 20th century.

Measurements:
overall: 150 mm
Materials:
metal (unknown)
Object Number:
1977-627/2/4
type:
perimeter accessories
Black wood rounded bar with metal end

Black wood rounded bar with metal end

Black wood rounded bar with metal end, accessory for Priestley Smith perimeter, early 20th century.

Measurements:
overall: 200 mm
Materials:
wood (unidentified) and metal (unknown)
Object Number:
1977-627/2/5
type:
perimeter accessories
Black eye patch with elastic band

Black eye patch with elastic band

Black eye patch with elastic band, for use with Priestley Smith perimeter.

Materials:
textile
Object Number:
1977-627/2/6
type:
eye patch
Steel bar with pointed end

Steel bar with pointed end

Steel bar with pointed end, accessory for Priestley Smith perimeter, early 20th century.

Measurements:
overall: 117 mm
Materials:
steel (metal)
Object Number:
1977-627/2/7
type:
perimeter accessories
Black metal rectangular component

Black metal rectangular component

Black metal rectangular component, flat with rounded edges, accessory for Priestley Smith perimeter, early 20th century.

Measurements:
overall: 26 mm x 10 mm
Materials:
metal (unknown)
Object Number:
1977-627/2/8
type:
perimeter accessories
Black metal component with pierced hole

Black metal component with pierced hole

Black metal component with pierced hole, tapering and bending slightly at one end, accessory for Priestley Smith perimeter, early 20th century.

Measurements:
overall: 50 mm x 17 mm
Materials:
metal (unknown)
Object Number:
1977-627/2/9
type:
perimeter accessories
Bone component with numerical scale

Bone component with numerical scale

Bone component with numerical scale, accessory for Priestley Smith perimeter, early 20th century.

Measurements:
overall: 70 mm x 19 mm
Materials:
bone
Object Number:
1977-627/2/10
type:
perimeter accessories
Wood component

Wood component

Wood component, accessory for Priestley Smith perimeter, early 20th century.

Measurements:
overall: 67 mm x 19 mm
Materials:
wood (unidentified)
Object Number:
1977-627/2/11
type:
perimeter accessories
Twenty-four coloured paper cards

Twenty-four coloured paper cards

Twenty-four coloured paper cards, accessory for Priestley Smith perimeter, early 20th century. Twenty-one cards are squared and mounted on black paper, three cards are circular.

Materials:
paper
Object Number:
1977-627/2/12
type:
optical cards
Flat black metal bar with tapering end surmounted by a flat pellet

Flat black metal bar with tapering end surmounted by a flat pellet

Flat black metal bar with tapering end surmounted by a flat pellet, accessory for Priestley Smith perimeter, early 20th century.

Measurements:
overall: 210 mm x 10 mm
Materials:
metal (unknown)
Object Number:
1977-627/2/13
type:
perimeter accessories