Specification of William Brown Rooff : construction of respirators.

  • Rooff, William Brown.
Date:
1857
Catalogue details

Licence: Public Domain Mark

Credit: Specification of William Brown Rooff : construction of respirators. Source: Wellcome Collection.

    1/8
    XX10(XX)(XXXXXXXXXXX)000(XXXXXXXXXXXXXXXXX)' A.D. 1848 .N° 12,273. SPECIFICATION OP WILLIAM BROWN ROOFF. CONSTRUCTION OF RESPIRATORS. LONDON: PRINTED 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, HOLBORN. Price 5d. 1857. (HBOTOOiMB