Specification of Hewley Charles Wordsworth : respirators.

  • Wordsworth, Hewley Charles.
Date:
1876
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Hewley Charles Wordsworth : respirators. Source: Wellcome Collection.

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    few Kal A.D. 1875, 3rd July. N° 2411. SPECIFICATION 0? EWLEY CHARLES WORDSWORTH. i >.„! • - . ■ ! V'- r., RESPIRATORS. : v * *- - s ;tv LONDON: [TED. BY GEORGE E. EYRE AND WILLIAM SPOTTISWOODE, PRINTERS TO THE QUEEN’S MOST EXCELLENT MAJESTY: PUBLISHED AT THE GREAT SEAL PATENT OFFICE, 25, SOUTHAMPTON BUILDINGS, HOLBOBN. 1876. r-