Most of the above, and
Slide rules (mechanical calculator)
analog transmission of information
Most of the above, and
Slide rules (mechanical calculator)
analog transmission of information
lp,s 45. Eight tracks cassettes black n white tv. Type writer. Automobile ossilliscope. Newspapers verysoon. Magazines. Sears catalogs. Yellow pages. Store brochures or store books with price list
Record stores, Hallmark stores, video/DVD rental stores, Bartles and James, Drive in theatres, rotary phones, an apple for the teacher, phone booths, address books, travel agents, calling for the time. I'M OLD!!!!
Most of the above, and
Slide rules (mechanical calculator)
analog transmission of information