If you pin, as shown in the illustration, a conventional hammer with a thin layer of polyurethane or of thick rawhide, it becomes possible to use it during the Assembly of panel furniture, metal works – in short, where the damage to the surface is extremely undesirable.
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SCHOOL AIRCRAFT (PART 2)
In the previous issue of the journal "modelist-Konstruktor" readers acquainted with the design of the aircraft "Cree-Cree" of Michel Colomban, who received a truly worldwide fame....
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The world's first experimental jet aircraft is Not. 178 flew in Germany on 27 August 1939, Quite apart from him in "Gloucester" (UK) was established aircraft E28/39 with a turbojet engine...