34-35), “The cylinder of the [Roneotype] machine carried a detachable curved brass 'segment', grooved laterally over its entire surface to take type-faces cast with a key or shank to fit
Guide to Finding Your Serial Number SERGD-01UB Product Location Phaser 8200 Inside front cover; on left side Phaser 740, 740L, 750 Inside front door
Alibaba.Com offers 3,404 key copying machine products.
Not from some friend of a friend of a friend, but from an actual dispensary in Boulder, Colorado.
Copying Machine – Free download and software reviews – CNET
Xerox Office Product Serial Number Guide
Color and monochrome digital copy machines and all in ones from Brother.