Published and copyright 1955 by W.M. Welch Manufacturing Company, 1515 Sedgwick Street, Chicago 10, Illinois, USA

Description: The physics of music are explained in this beautiful poster from 1955. Illustrations are vibrant with detailed and concise labels next to them for your convenience and enjoyment.

Condition: Great, no visible damage. One of two copies available.

This poster is on paper, but please note that we offer linen-backing for an additional cost. Email us at postermuseum@gmail.com for more details.