Specification of William John Marsden
Subtitle: eye shades
Publisher: Great Seal Patent Office
Published: 1862
Place of publication: London
Language: eng
Subjects: Eye Protective Devices
Description: Patent for "shades for protecting the eyes from effects of sunlight or artificial light".
Notes: Cover title.

At head of title: A.D. 1862, 16th April. No. 1106.

"William John Marsden, of Sheffield, in the county of York".