Vintage PACKARD-IDEAL Shutter, Size 1 3/4" - For Large Format Photography Lens

Description

Vintage
Packard-Ideal Shutter
1 3/4" opening
(3 5/8"x 3 5/8" board)
(looks like
No. 6
)
Seems to be in very good vintage condition.
Blades
are
straight and flat
in
original condition
, very solid, and
move freely
.  See all pictures.
Made in Michigan,
U.S.A.
(see my other listing for a similar one, slightly larger, with box and instruction)