Specification of Charles Edward Blake
Subtitle: foil for stopping teeth
Publisher: Great Seal Patent Office
Published: 1874
Place of publication: London
Language: eng
Subjects: Platinum; Permanent Dental Restoration; Metal foils; Gold; Dental Materials
Description: Patent for "a means of disguising the bright color of gold filling for teeth, whereby said filling is also rendered more durable, and also of an improved metallic foil for dental purposes".
Notes: Cover title.

At head of title: A.D. 1874, 7th January. No.92.

"Charles Edward Blake, of San Francisco, California... dentist".