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

Description: Science experiments involving heat conduction, convection, radiation, etc. are drawn and labeled on this vintage 1955 school wall chart. Understanding and learning about the various ways we employ heat everyday has never been easier or more enjoyable with this hung up.

Condition: Good, minimal bends along left border. 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.