A LEGO Technic replica of a Hot Bulb Tractor, with a working pneumatic engine. Features drive (operated by the pneumatic engine with gearbox), manual adjustable ignition point and steering, and a suspended seat.
A lego pneumatic tractor based on a hot bulb engine Lanz tractor. Features drive, single pneumatic engine, adjustable ignition point, steering and suspended seat….
The Digicomp was a mechanical computer sold as a plastic toy in 1963, capable to count, multiply, divide, depending of how it is programmed. Here is a functional replica in LEGO Technic.