Profile of original 1860's era Spencer magazine tube spring?

[El Supremo]

Hello:

There is a "factory" parts drawing on the next to last page of the "Spencer Repeating Rifle Company 1866 ..."  (catalog reprinted by Cornell Publications).

I have asked our Moderator to please post two pages, the parts list and drawing, for historical reference.

The question is about the FLAT side out, coil mag. tube spring. 

Has anyone seen this version vs. the round wire coil version, please?

Also, the names for a few parts are interesting. Extractor is "cartridge drawer", etc.

Thanks, Two Flints.  Smiles.

El Supremo/Kevin Tinny


                      (Photo Posted by Two Flints)


                      (Photo Posted by Two Flints)