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.
Ralph G. Whitlock was an early California inventor and founder of the Whitlock Mfg. Co. in Los Angeles.
(Boxes: ½ legal; 3 ov folders)
Permission to publish, quote or reproduce must be secured from the repository and the copyright holder
Research is by appointment only