Description
Photographs, drawings, flyers, patent records, incorporation records and other material pertaining to the Whitlock metered
mailing machine, which was authorized by the United States Postal Service.
Background
Ralph G. Whitlock was an early California inventor and founder of the Whitlock Mfg. Co. in Los Angeles.
Extent
(Boxes: ½ legal; 3 ov folders)
Restrictions
Permission to publish, quote or reproduce must be secured from the repository and the copyright holder
Availability
Research is by appointment only