On Sun, Jul 14, 2019 at 07:54 AM, Bob Webber wrote:
This is a PDF of a American Steel Foundries Catalog from 1911. It is a catalog of knuckles, pins and locks only
And absolutely NONE of those parts are interchangeable between different brands of couplers. A really good illustration of the need for standardization, answered by the adoption of the ARA Type D coupler in 1918.
