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PERKIN ELMER 1/20TH WAVE COATED ELLIPTICAL FLAT WINDOW
Beautiful small-sized (19mm long x 13mm wide x 3mm
deep) precision-made elliptical flats from Perkin Elmer,
numbered 677 6108 002. Each window is 1/20th wave
on both sides, measures 17mm long x 13mm wide, is
offset 2mm, and is anti-reflective coated. Ground
edges. New in original sewn packets.
L3201 $15.00
LARGE MTD MILITARY INSTRUMENT MIRROR, 1/10 WAVE
Optical instrument mirror, 13.25 inches long by 9.4
inches wide. Mounted with 2 inch long rods protruding
from each side. One side has a ball bearing wheel, 2
inches diameter. Flatness is at least 1/10th wave in the
center 3/4 of the mirror. The ones we have left appear
to be not as flat towards the edges. Not sure why, but
they are a metal material and thinner at the edges.
Could be that temperature changes effect the edges more. Coating is in
very good condition. The texture you see in the photo is a reflection of our
ceiling. Limited supply. We don't find large mirrors of this quality very
often. Sorry, but we are not allowed to ship these outside the United
States.
L3410 $225.00
Glass Blanks
70MM DIA SCHOTT CROWN GLASS MOULDED BLANK
Quality crown glass made by Schott. These are unused
blanks designed to be ground & polished into eyeglasses
anywhere from + or - 6 diopters. 70mm diameter by
4mm thick. Meniscus shape. Great for experimenting
with your grind and polish expertise, or if you are in
the ophthalmology business, you need these and we've
got a good supply.
L2130 $0.50 or 10 for $4.00
65MM DIA SCHOTT GREEN WELD 2.0 GLASS MOULDED BLANK
Quality glass made by Schott, green weld 2.0. These
are unused blanks designed to be ground & polished into
eyeglasses for welders anywhere from + or - 6
diopters. 65mm diameter by 4mm thick. Meniscus
shape. Great for experimenting with your grind and
polish expertise, or if you are in the ophthalmology
business, you need these and we've got a good supply.
L2154 $0.50 or 10 for $4.00
Glass Blanks - Page 55
Surplus Shed – www.SurplusShed.com