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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
ISBN 1-56138-221-3
The 14K gold spring on the valve works fine and has not broken
Ball pens (revised)
ISBN 0-9546304-7-5
NEW OLD STOCK
Grobet ILLUMINATED TRIPLET LOUPE ITEM #29610 repair ISBN 1-56138-221-310X WITH A . 83" FOCAL LENGTH LED ILLUMINATED TRIPLET LOUPE. A Triplet lens consists of 3 glass components sandwiched together. This configuration gives the lens designer a sufficient number of degrees of freedom to overcome all Seidel aberrations. This piece incorporates 6 LEDs in a circular pattern around the opposite side of the lens from your eye, illuminating the object. A well made piece of optics. Uses (3) LR927 button batteries (included).