![](http://www.alamy.com/thumbs/6/1034CB1A-AC6F-4F68-9F0E-B2552EB41D1D/2BF4051.jpg)
Telescoping Brow Patent Model. Alexander M. Wellens received patent number 2,803,841, on August 27, 1957 for his design of a telescoping gangway. During World War I, the
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Photo credit: © SBS Eclectic Images / Alamy / Afripics
License: Licensed
Model Released: No
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