Shelfmark

Bus.19

Maker

[Emil Busch Optical Co.; Ltd.]

Subjects

optical; medical (opthalmic instruments; pupillometer)

Title

Pupillometer (Improved Model)

Description

Describes the instrument (for measuring inter-pupillary distances) and gives instructions for use. Back page has table giving correspondence between inter-pupillary distances for distance vision and reading vision.

Earliest Date

1929

Latest Date

1932

Pages

4

Address

Other Makers

Cat no

Dr. 138 e

Contents List

Hardback

Prices

Yes

Index

Illustrations

Yes

General Ref