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Ortho Diaphragm

Coil Spring

The 'Ortho-Diaphragm' Coil Spring is ochre coloured and measures 60mm. It is kept in a round, white, plastic box, on which is detailed the Ortho stamp.

This box, which has four small air holes, is in turn in a cardboard box that is purple, white and black. A woman is depicted in black and white on both the front and back.

Instructions for use are enclosed with the pack. These are in English.

Inventory number: 2428
Material: paper
Dimensions, in cm: 5,8 x 5,8 x 2,2
Date: 2003
Condition: good, the plastic box in which the diaphragm is stored has already been opened
Donor: Dame Margaret Sparrow