Publications about radio and electronic


 














Instructions for building of tube radios in journals for hobbyists - 195X Czech.




German journal Radio Mentor from year 1944 with two months periodicity. (numbers 1-2, 3-4, 5-6, 7-8, 9-10.)

Radio Mentor 1-10

Contents of the journals: (click to enlarge)

Radio Mentor 1/2 Radio Mentor 3/4 Radio Mentor 5/6 Radio Mentor 7/8 Radio Mentor 9/X

Receipt ticket in german and czech language and text from the journal:


Radio Mentor advertisment - promotion: (click to enlarge)







First two numbers of Czech Radio amateur journal 1923 - 1924: (click to enlarge)

user guidlines for measurement device DU10 : (click to enlarge)

Hungarian book (1895): Straub Sándor - Elektrotechnika: (click to enlarge)