Mid- 20th century, the lid with a metal plate stating it was built by the Bendix Aviation Corporation, Eclipse-Pioneer Division, Teterboro, New Jersey, Type No. 13916-1-A, serial No. 238; an additional TWA plate gives the airline's serial number 6 and an R & R number 90051; the unit consisting of a graduated brass disc showing 360 degrees with sights and levels; includes a segmented wooden stand.

Case: 8.25 x 17 x 6.75 in.

Overall wear and scuffs to case and contents; one tripod section needs repair.