Simplex projector head assembly used in Australian cinema

Made in United States, North and Central America, 1925-1955.

The Simplex projector was designed with extraordinarily high tolerance on parts - up to ten - thousandths of an inch on critical components. This and other innovations led to its commercial success and adoption as the industry standard projector by the late 1920s. The design of the Simplex projector underwent modifications and developments over forty years of production however in this time it retained much of what had made it such a successful design.

This particular projector head assembly wa...


Projector, Simplex projector head assembly and parts, metal / glass / plastic, designed and made by The Precision Machine Co, New York, United States of America, 1925-1955

Simplex 35mm projector head assembly with Westrex shutter blade assembly.

Small collection of 7 tagged used parts removed from working St. James Theatre projectors around 1956.

Spare or used film advance mechanism from Simplex projector head assembly in shipping crate.
Upper film reel holder for mounting on top of Simplex head.


Due to extraordinary tolerances in the design and machining of critical parts for the Simplex projector it became the industry standard in a short time. This machine with the spring arrangement on the lens mount was produced from 1919.


Gift of the Lucas family, 2007
28 November, 2007

Cite this Object

Simplex projector head assembly used in Australian cinema 2014, Museum of Applied Arts & Sciences, accessed 21 July 2017, <>
{{cite web |url= |title=Simplex projector head assembly used in Australian cinema |author=Museum of Applied Arts & Sciences |access-date=21 July 2017 |publisher=Museum of Applied Arts & Sciences, Australia}}
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