CQ Issue 04
CQ Issue 04

Constructor Quarterly Issue No. 04
June 1989


Eric Taylor Crawler Tractor (Part 3); Advanced Gear Experiments in Meccano; Moon Phase Indicators; Do-it-Yourself Wind-up Clock; Torque Amplifiers and Constant Torque Devices; A Fantasy Factory from Piacenza; A Bing Verical Engine; Fun.


UK £15.00

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