Specification of William Brown Rooff : respirator.

  • Rooff, William Brown.
Date:
1863
Catalogue details

Licence: Public Domain Mark

Credit: Specification of William Brown Rooff : respirator. Source: Wellcome Collection.

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    st*f. v« . llfij fOiVT A.D. 1863, 9th February. N“ 360. SPECIFICATION OF WILLIAM BROWN R00FF. RESPIRATOR. *t.1 LONDON: FTED BY GEORGE E. EYRE AND WILLIAM SPOTTISWOODE, PRINTERS TO THE QUEEN’S MOST EXCELLENT MAJESTY I PUBLISHED AT THE GREAT SEAL PATENT OFFICE, 2O, SOUTHAMPTON BUILDINGS, HOLBORN. 1863. J-