A Tale of Negative Gravity by Frank R. Stockton

A retired middle-aged gentleman and his wife take a long walk, arm-in-arm, many miles, up hills, across fields, with a laden knapsack and a heavy picnic basket, and yet they are completely at ease because of the gentleman’s invention, a negative gravity device, which they carry to lighten their weight. He uses the device to help with farm work. The gentleman later uses the device on a mountain climb and amazes an unknowing Alpine-club member with his speed and agility… (more)