Arithmetic numeral apparatus. Privilege, issued on April 6, 1862 for 10 years to collegiate adviser Alexander Namansky

I continue (and most likely, finish) the publication of the first Russian privileges on computers.

The third privilege is to Alexander Ivanovich Namansky (1818-1883), the author of primers and textbooks on arithmetic. Source: “Magazine of Manufactories and Trade”, 1862, No. 17.
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Unfortunately, in 1867, the “Journal of Manufactures and Trade” ceased to exist, and the granted privileges ceased to be printed in it.