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OCR: The Ribbon Adder The Ribbon Adder is an entirely new departure in calculating- -ma- chines. The above cut represents it nearly full size. It does all that can be done b arithmetic-- -multiply 'ing .adding and subtracting, sterling cur rency as well as decimal, and fractions. Simple as tape measure its workings are understood ata glance, and it is absolutcly noiseless. Re- lieving the mind of all strain, in this respect as an invention outclasses the type-writer, which simply substitutes one physical process for "another. And while the prices of calculating- -machines hitherto have been almost prohibitive, the Ribbon Adder for the purpose of introduction and giving the public an opportunity of testing its merits, will be furnished at price which brings it within the means of all. Sent by re ...