This lunar weight drill was 1/6 the weight of the regular operational drill and simulated the "feel" it would have on the actual lunar surface. Duke was the astronaut employed to drill bore holes into the Moon for placement of the Heat Flow Experiment probes, which was part of the entire ALSEP package deployed on the lunar surface. The drill was also used to extract a deep core sample of lunar regolith. This drill was first used by astronaut Dave Scott during training for Apollo 15. Scott has signed the square case with: "Good luck Charlie, Dave". Also SIGNED BY DUKE with: "Used by me in training on Apollo 16. Charlie Duke, LMP". [With:] An ALS ("Charles M. Duke, Jr.") dated 29 January 2001, to both explain and certify the authenticity of the drill. " /> [APOLLO 16 - CHARLES DUKE]. A lunar weight drill used by Duke during training for Apollo 16. <I>A non-operational drill approx. 6 by 6 inches at the square housing and 18 inches tall. An ID tag reads in part: "Light Weight Trng Batt-Power Head, Part. No. 467A8045000-019, Cont. No. NAS 9-9462, The Martin Company.</I> This lunar weight drill was 1/6 the weight of the regular operational drill and simulated the "feel" it would have on the actual lunar surface. Duke was the astronaut employed to drill bore holes into the Moon for placement of the Heat Flow Experiment probes, which was part of the entire ALSEP package deployed on the lunar surface. The drill was also used to extract a deep core sample of lunar regolith. This drill was first used by astronaut Dave Scott during training for Apollo 15. Scott has signed the square case with: "Good luck Charlie, Dave". Also SIGNED BY DUKE with: "Used by me in training on Apollo 16. Charlie Duke, LMP". [With:] An ALS ("Charles M. Duke, Jr.") dated 29 January 2001, to both explain and certify the authenticity of the drill. | Christie's