RUMBLINGS, May 1938
The New T.T. The R.A.C. has issued the regulations for the Tourist Trophy Race on September 3rd with commendable promptitude, and an excellent and informative race should result. The 1938…
The Lucidator is a miniature, dual-scale computer for attaching to the car key-ring. From it journey times, average speed, fuel consumption, conversion of m.p.h. to k.p.h., kilometres to miles. kg./sq. cm. to lb./sq. in.. and vice versa, and many other calculations are possible without recourse to mental or finger arithmetic. The circular calculator has a leather case and is accompanied by a paper wallet of instructions. Made by Lucidator Ltd., 7, Birchin Lane, E.C.3, it is rather high-priced, at 10s. 6d., but should prove useful during the continental tour to those bad at sums.