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Health-ray glass (new-invention window glass) : the product of modern scientific knowledge contrasted with old-fashion ordinary window glass : pros and cons by medical men whose practical experience and personal interest provide reliable opinion : reprints of "Letters from Correspondents", The Medical Officer (June and July, 1928)

Name: Health-ray glass (new-invention window glass) : the product of modern scientific knowledge contrasted with old-fashion ordinary window glass : pros and cons by medical men whose practical experience and personal interest provide reliable opinion : reprints of "Letters from Correspondents", The Medical Officer (June and July, 1928)
Author: Sunray Glass Co. Limited

by Sunray Glass Co. Limited 1928G General

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Story by: Sunray Glass Co. Limited

Description

A digitised book or periodical from a research library. Written or issued by Sunray Glass Co. Limited. Published 1928. London : Sunray Glass Co.. Catalogued under: Sunlight; Glass; Heliotherapy; Ultraviolet Rays.

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