Dr. Gustav Zander exercise 17 - from our story 'Doctor Gustaf Zander’s Steam-Powered Exercise Machines' "This arm-bending apparatus is good for the arms, shoulders and back." View The Article THE FLASHBAK SHOP Visit the shop Great T-ShirtsDiscover Our 100% Organic Cotton T-Shirts Discover Our PrintsExplore our Prints Shop Editor’s picks Collect our postcards Free Newsletter First Name Last Name Leave this field empty if you're human: Shop our comfy T-Shirts