Specification of William Robert Lake
Subtitle: treating noxious gases
Publisher: Great Seal Patent Office
Published: 1875
Place of publication: London
Language: eng
Subjects: Prevention & control; Sewer gas; Smoke prevention; Air Pollution
Notes: At head of title: A.D. 1875, 3rd June. No. 2046.

Cover title.

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