North American Rockwell Apollo CM Rate Gyro Calibration Kit, likely associated with the Block I Command Module. Housed in a 13"x 9" x 9" carrying case with form-fitting shockproof rubber inserts, the kit includes two gauges and assorted calibration hardware. Stenciled "NAM I" on the top and front, stamped "MFD JUN 29 1964" on the lid, and bears an affixed "G/C Lab" label.
