Indeed, it is much easier to work with rolls of Wallpaper when they are pruning and cutting, if to use here such a simple device, fixed on the table using a clamp. It consists of a Board on the base and the two ears to him. Roll, as if on a spit, is put on a freely rotating stick.
Recommend to read
CALIPER
Among the tools and devices for measuring the internal diameter of pipes and other cylindrical bodies is probably the most simple. Made of plywood, plastic or metal, cut an isosceles...
ILYUSHIN Il-2
In January 1938, the aircraft designer S. V. Ilyushin, who worked at that time chief of the experimental aircraft of the people's Commissariat of defence, appealed to the government with...