Grace's Guide To British Industrial History

Registered UK Charity (No. 115342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

Ozonair

From Graces Guide
February 1931.
October 1952.

of 96 Victoria Street, Westminster, London.

See Edward Lionel Joseph

1912 Apparatus for air purification.

See Also

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Sources of Information