Labels:text | black and white | font | handwriting | ink | sketch OCR: MORE BOX PLANS DIALING OVERSEAS CALLS Correction- The 39X resistor used for setting COUNTRY CODES the gain of the amplifier in last month's is- sue is incorrect. It should be between 5 and 6 thousand ohms in value. Too large a value will ADEN 969 LAOS 856 The procedures for calling overseas are more cause a buzz in the amplifier from too much gain. AFGHANISTAN 93 LEBANON 961 involved than normal long-distance calls, but ALBANIA 405 LIBERIA 231 they are infinitely far out and become easy with Let's clear up a few details in last month's ALGERIA 21 LIBYA 21 a little practice. We have here a list of all Blue Box construction plans. For those of you AMERICAN SAMOA 684 LUXEMBURG 352 the countries with telephone service and their without a lot of test equipment, this might help ANGOLA 244 MACAO ...
