Stadia Match Output


Maker: K&E 1749 -> 4125


Gauge Marks:

Scales Front:

Scales Back:

Info: Information obtained from:
The 1749-3 was first shown in the 1897 catalog. The last mention of the 4125 is in the 1903 catalog.
The following is a brief history of the Colby's Stadia Slide Rule as is told in the K&E catalogs that are available at this time.
Exact timing is not possible because of the time between catalogs.
1897 -- The Colby's Stadia slide rule was first introduced as the 1749-3.
1901 -- The 1749-3 model number was replaced with 4125.
1903 -- The 4125 was last shown in the 1903 catalog.

May also be read in Journal of the Oughtred Society Vol. 4, No 2, October 1995 Pg 27, Colby's Slide Rule, Bobby C. Feazel