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Hello, I hope the group doesn't made a question that's not directly about Burlington Route. I collect mechanical calculators and recently bought one off Ebay that I cannot find anything about on-line. It's called the "Burlington Adder" and it's logo is very similar to the Burlington Route logo, only with "Adder" instead of "Route". It even uses the same style of lettering. It has a patent date of 1912 listed, so it's the right vintage. Since I found no vintage advertisements for it, it might have been made with this name only for use by Burlington Route employees. The adder itself is a simple device of the kind meant to make adding columns of figures more accurate. There are still photos on EBay if anyone is interested. You can search Sold listings for 322894303726 or use this link: https://www.ebay.com/sch/i.html?_from=R40&_nkw=322894303726&_in_kw=1&_ex_kw=&_sacat=0&LH_Sold=1&_udlo=&_udhi=&_samilow=&_samihi=&_sadis=15&_stpos=63304&_sargn=-1%26saslc%3D1&_salic=1&_sop=12&_dmd=1&_ipg=50&LH_Complete=1 Thank you John __._,_.___ Posted by: jwp-addingmach@juno.com __,_._,___ |