Here are the tubing schematics I did up for  my 1926 Stroud Half Duo-Art that I rebuilt a few months back.

Alan Turner
Winnipeg, Manitoba, Canada
18 Jul 2007 15:24:57 -0500

PDF format (view with Adobe Reader):
Stroud Top Schematic  (17 kb)
Stroud Bottom Schematic  (12 kb)
Stroud Schematic Numbering Key  ( 9 kb)

PNG (Portable Network Graphics) format:
Stroud Top Schematic  (119 kb)
Stroud Bottom Schematic  (92 kb)
Stroud Schematic Numbering Key  (115 kb)

John A Tuttle of Player-Care.com offers photographs and more information at  http://www.player-care.com/half_d-a.html