Priestley Smith perimeter

Made:: 1901-1930 in London

maker:: Curry & Paxton

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This image is released under a CC BY-NC-SA 4.0 Licence

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

License

This image is released under a CC BY-NC-SA 4.0 Licence

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

License

This image is released under a CC BY-NC-SA 4.0 Licence

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

License

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 and bone

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

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Parts

Priestley Smith perimeter

Priestley Smith perimeter with drawer, wood and steel, made by Curry & Paxton, early 20th century.

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

Materials:: bone , boxwood , brass (copper, zinc alloy) , card , mahogany , paint , paper (fibre product) , steel , textile and wood (unidentified)

Object Number:: 1977-627/2/1

type:: perimeter

Image ©: The Board of Trustees of the Science Museum

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, 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, 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, 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, for use with Priestley Smith perimeter.

Measurements:: body: 60 mm x 75 mm

Materials:: textile

Object Number:: 1977-627/2/6

type:: eye patch

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