Specification of William Botham
Subtitle: regulator for the tubes of feeding bottles
Publisher: Great Seal Patent Office
Published: 1865
Place of publication: London
Language: eng
Subjects: Invalids; Bottle Feeding; Instrumentation
Notes: Cover title.

At head of title: A.D. 1865, 28th June. No. 1727.

"William Botham, of Sheffield, in the county of York, pharmaceutical chemist."