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Features included a planetary gear-driven variable shutter (US Patent No 1,297,703) and a unique rack-over design (US Pat No 1,297,704). -- Replica/reprint published by Portable Trunk Publishers. (undated) Circa 2002.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.