RARE ENGLISH ELECTRIC 6" LAMINATE & CELULOID 6 SCALE SLIDE
RARE ENGLISH ELECTRIC 6" LAMINATE & CELULOID 6 SCALE SLIDE RULE RULER CASED, An exceptionally well preserved Mannheim-type 6 inch slide rule by The English Electric Co. English Electric were an industrial and electrical goods manufacturer, originally founded in . They began manufacturing electric motors and transformers, but their output quickly expanded to include trams for most of Honk Kong's tramways, rail locomotives, steam turbines, consumer electronics, guided missiles, computers and famously aircraft. The most famous of the latter were the Canberra jet-powered light bomber and, in -the English Electric Lightening fighter, which is still the only all-British Mach 2 fighter. This rule dates from around . This is an early design format - with a body made from ultra thin wafers of laminated wood sandwiched between celuloid outer surfaces. £, Gloucester, .