Square box with advertising label. Polar stereographic projection. Geocentric view. No constellation images. "Rude Star Finder". Separate North and South Hemisphere planispheres in box.
Inscription/Sig.
"THE RUDE STAR FINDER AND IDENTIFIER/H. O. 2102" ; "Washington, D. C., published Jan., 1928, at the Hydrographic Office,/under the authority of the SECRETARY OF THE NAVY."
