Specification of John Henry Johnson : destroying noxious exhalations.

  • Johnson, John Henry.
Date:
1860
Catalogue details

Licence: Public Domain Mark

Credit: Specification of John Henry Johnson : destroying noxious exhalations. Source: Wellcome Collection.

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    'j-.- •.r 'iy-.’K '^hV'LJ • •.' 5'*' ■’ j' • • ' 'v-- A.D. 1859, 9lh August* N° 1846. P»^‘ SPECIFICATION JOHN HENRY JOHNSON. »:-V - DESTROYING NOXIOUS EXHALATIONS LONDON: ^PRINTED BY GEORGE E. EYRE AND WILLIAM SPOTTISWOODE, PRINTERS TO THE QUEEN’S MOST EXCELLENT MAJESTY : PUBLISHED AT THE GREAT SEAL PATENT OFFICE. 25j SOUTHAMPTON BUILDINGS, HOLBORN. td. 1860, r-t-:-