Printing types. Type families 'Kudriashovskaya entsiklopedicheskaya' and 'Kudriashovskaya entsiklopedicheskaya rublenaya' ( for alphabets of Russian and roman graphic bases). Range of application. Design. Base line. Characters per 4 picas
Test conditions for die sinking electro-discharge machines. Testing of the accuracy. Part 1. Single-column machines (cross-slidetable type and fixed-table type)