Description

Black and white photograph of David G. Hoag inspecting a mockup of the Apollo system used to measure change in velocity during thrust periods at the Instrumentation Laboratory. Original caption: "David G. Hoag, technical director of the APOLLO Guidance and Navigation System design program at M. I. T.'s Instrumentation Laboratory, inspects a mockup of the inertial measurement unit contained in the system. The spherical IMU houses the gyroscopes and accelerometers used to measure changes in velocity of the APOLLO spacecraft during thrust periods."

Additional Information

for print and web: "Courtesy The Charles Stark Draper Laboratory, Inc, and MIT Museum"; for broadcast and film: "Courtesy of Draper Laboratory and MIT Museum" or "Image from the Charles Stark Draper Historical Collection courtesy of Draper Laboratory and MIT Museum" or "Draper Laboratory and MIT Museum"