@SFOMuseum Instagram Posts This is SFO Museum's archive of the @SFOMuseum Instagram account. from July 21, 2019

One of the first uses of aluminum helicopter rotor blades was in the Hiller XH-44 “Hiller-copter”, designed and built by Stanley Hiller, Jr. (1924–2006) in 1944 at the age of nineteen. This image was posted on July 21, 2019. #aviationaluminum #aluminum #design #industrialdesign #avgeek #hillercopter #helicopter #museum