Compass hat mount, stair climbing wheel chair - welcome to 50 years ago
Writte by MAKE Magazine the 17/12/2006
Step in the MAKE time machine and take a look back what some makers were doing 50 and 70 years ago.

Old fashion built-in nav system. Compass Mounted on Hat Brim Is Handy Guide for Hiker, Popular Mechanics 12-1936 - Link.

Ancient version of the iBot. Motorized Wheel Chairs Step Over Curbs and Climb Stairs, Popular Mechanics 1954 - Link.

Tweels, from the 1930s. Rubber Spokes Give Bounce to Airless Safety Tires, Popular Science 5-1938 - Link.

Home automation. Popular Mechanics 12-1950 - Link.
More @ Modern Mechanix - Link.

