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I found some info on the Revere Model 153 Power Zoom:
http://www.jollinger.com/photo/cam-coll/movie/other/roundup_revere-wollensak.html
This is presumed to be a 1962 model, oddly 2 years after Revere ceased to exist as an independent brand.
This model sold for $168, equivalent to $1700 today. According to the US Census, family income averaged to about $6000 in 1962, making this minimalist movie camera affordable for the middle class.
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