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Scientific American, Vol. 42, No. 5 (1880) (1880)

leaf 11

An illustration from Scientific American, Vol. 42, No. 5 (1880), 1880, leaf 11
this kind is not nearly so safe as been agreed to by the governments of Great Britain, France, adapted to the work for which it is intended. All the gears the finely executed checks in plain black and white of the Germany, Russia, Italy, Spain, Portugal, Belgium, Den- are cut and it is well… … that abatement of photographic forgeries in France is due. Thames Conservancy are issuing rules of road, which are to Many years ago Mr. Spiller was called in as scientific referee take effect on British and foreign ships entering the River in the matter of color printing upon checks, and gave much…

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