Vintage 1980 Volvelle Stars Sky Planet Dial Locator Astronomy Edmund Scientific

Vintage 1980 paper Volvelle Star and Planet Dial Locator. Includes original 12-page illustrated instruction manual. Edmund Scientific Company, Barrington, New Jersey. Manufacturers of Fine Astronomical Telescopes and Accessories. Condition is used. There is overall wear including creasing, soiling and small tears. Please zoom all photos for condition details. Volvelle measures approximately 8-1/2 inches square. The booklet is 4 x 5-3/8 inches.