Specification of Robert Henry Emerson
Subtitle: siphon drinking cup
Publisher: Great Seal Patent Office
Published: 1865
Place of publication: London
Language: eng
Subjects: Drinking cups; Disabled Persons; Self-Help Devices
Description: Patent for "a new or improved invalid or siphon drinking cup."
Notes: At head of title: A.D. 1865, 15th February. No. 437.

"Robert Henry Emerson, of the city of Dublin".