Constructor Quarterly Issue No. 40
June 1998

The Tatra Heavy Haulage Truck; A Locking Unequal Torque Differential; An Articulated Cabover Truck; Ballveyor; Wormar Steam Engines for Meccano; A Tale of Two Diggers; A Gimballed Gyroscope; Self-propelled GROPE.

UK £16.00