- Back
-
Title: "Stirling-Primex" pleated diaphragm loud speaker. [Go to resource]
Description: "Stirling-Primex" pleated diaphragm loud speaker. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1933-463 Go to resource More Like this...
[Edit] - Back