Parker DUOFOLD Clip Master Punch, Set of 3 Stamps DORIC JUPITER Softbound reprint of Parker Service

Softbound reprint of Parker Service Manual from 1947

Has original chalk mark and a medium nib and includes a piston filling unit

CAP COVER HAS MATCHING GREEN TIP

The threads on the outside are indeed 10-32

0 inches in length

Parker DUOFOLD Clip Master Punch, Set of 3 Stamps DORIC JUPITER Softbound reprint of Parker ServiceA DIE SET USED TO STAMP OUT PARTS FOR A DUOFOLD CLIP AT THE PARKER FACTORY. This is one set of the dies used to make the Duofold clips by the Parker production crew. These were purchased as surplus from the Parker factory in Janesville. An historical artifact from the days of past Parker production. A "significate cultural artifact" according to Dale.