Body made of blackened brass and various artificial materials. Various scale divisions, for direction, latitude, local hour angle, sidereal hour angle, declination and bearing. Cross bubble levels on platform. Fitted wooden box painted military green and lined with black felt, cotton carrying strap. Two metal latches. Paper instruction for setting the instrument is stuck inside the lid.
Материал
Signed on a label on the main body: Sperti, Inc., Cincinnati, Ohio | U.S.A. Marked on the same label: Astro-Compass MK II | Manufacturer's Assembly Part No D500 | Contract No. W535-AC36492 [this text is also found on a larger label on the left side of the box, also stamped: AN | E448]]
