Specification of William Robert Lake
Subtitle: inhaling apparatus
Publisher: Great Seal Patent Office
Published: 1874
Place of publication: London
Language: eng
Subjects: Respiratory Therapy; Instrumentation; Inhalation Administration
Notes: Cover title.

At head of title: A.D. 1874, 30th April. No. 1512.

"William Robert Lake, of the firm of Haseltine, Lake, & Co., patent agents, Southampton Buildings, London."