A foot measuring and shoe sizing indicator or stick disclosed in the United States Letters Patent to Ritz-Woller, No. 1,199,423, dated September 26, 1916.
http://www.freepatentsonline.com/2000257.html
The Ritz Stick was invented in 1913, and patented in 1916.
The Ritz Stick is still being manufactured today (2016) by Woodrow Engineering.
Manufacturer:
American Automatic Devices Co.
Brand Name:
Ritz
Patent/Copyright #1199423
Prior to inventing the device that bares his name the most common foot-sizer in the 1920s was the Ritz Stick, made by the American Automatic Device Company of Chicago. A wooden ruler, the Ritz could measure a foot's width and its length from heel to toe, but not at the same time. The Ritz stick is still a very common device for measuring feet in the U.K. and Europe.
https://leffot.com/tag/ritz-stick/
