(Tech) Voice Frequency and ... Riverside with some minor misfolds

with some minor misfolds

Condition is good with one small repaired rip into the image and some light foxing

In the end Lawson's account was a hyper parody

Image size is 16 X 11

on a sheet of overall size is approximately 16

(Tech) Voice Frequency and ... Riverside with some minor misfolds(Tech) Voice Frequency and carrier frequency transmission technology for cables, Philips, c. 1990A foundational infrastructure facet that makes the modern world possible. It's a very slow steady increase from 1912, up to the late 1950's when fully transistorized amplifiers come on the scene, but exponential growth occurs with the introduction of coaxial and fiber optics. By the 1980's capabilities begin to triple or more. It probably would be hard for