Specification of Joseph Francis Pratt : instruments for relieving deafness.

  • Pratt, Joseph Francis.
Date:
1861
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Joseph Francis Pratt : instruments for relieving deafness. Source: Wellcome Collection.

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    -■■■■— —*** A.D. 1860, 6th December. N 2990. SPECIFICATION OP JOSEPH FRANCIS PRATT. INSTRUMENTS FOR RELIEVING DEAFNESS. LONDON: PRINTED BY GEORGE E. EYRE AND WILLIAM SPOTTISWOODE, PRINTERS TO THE QUEERS MOST EXCELLENT MAJESTY i PUBLISHED AT THE GREAT SEAL PATENT OFFICE, 25, SOUTHAMPTON BUILDINGS, HOLRORN. PHc* 8d. 1861.