A metal bubble attachment for a Yoder Instruments sextant. The object sits in a black cardboard box with a small envelope containing two transparent plastic lenses, one red and one blue. A hand written not on the envelope reads "Sun Shades for sextant". A Lable on the front of the box reads "Lafayette Instruments Incorperated, 140 North Market Street, East Palestine, Ohio, Metal sextant bubble attachemtn #12".
Purchase:
Gift:
Found in Collection:
Institution:
Institution