CQ Issue 60
CQ Issue 60

Constructor Quarterly Issue No. 60
June 2003

The Leyat Helica; A Solenoid Engine with Optical Switching; An Automatic Two-speed Gearbox with Centrifugal Governor Control; A Walking Gyroscope; The MME ‘X’ Set, an early ‘Starter’ Outfit; Graham Jost’s Twin Fishplate Helix; Crossword.

UK £16.00

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