Jeff Woolf of more than six million randomly placed and sized dots per square inch. MicroMap and Woolf were discussed during a debate on innovation in the House of Commons. During this debate, a MicroMap viewer was handed around for members of parliament to use. Woolf worked with Ron Hickman, inventor of the Black & Decker Workmate and designer of the Lotus Elan car, to some extent, benefiting from his patent experience before the final patent application was lodged. MicroMap was patented in many countries around the world. There is a display on the development of MicroMap in the Science Museum in
Lotus 22 had a Cosworth Mk.IV or Mk.XI engine with about . However, seven of the Lotus 22s were built with the then newly introduced Lotus TwinCam engine (designed for the Lotus Elan) for Formule Libre. Unlike the 20, the 22 received outboard mounted disc brakes all around as standard equipment. It was available with four-speed transmissions from either Renault or Volkswagen. For cars with the Renault transmission, the shifter was mounted on the right, while it was on the left side for those with the German box. The 22 was very successful and the works car driven by Peter Arundell won