Author Topic: arbors  (Read 152 times)

Offline Len

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arbors
« on: May 25, 2018, 01:35:26 PM »
I've been scrutinizing photos of dismantled Colts (1849 and 1851:s) and think (just think) I've seen two variants of grease tracks in the arbor. One design is a trapeze thread along the arbor and the other possible design is a number of radially turned ditches.
Were there two designs, or have I interpreted the photos all wrongly?