A triplet of inventions, consisting of ... a nocturnal or diurnal telegraph ; a proposal for an universal character ; and a scheme for facilitating the progress of science, exemplified in the osteological part of anatomy / [Thomas Northmore].

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A triplet of inventions, consisting of ... a nocturnal or diurnal telegraph ; a proposal for an universal character ; and a scheme for facilitating the progress of science, exemplified in the osteological part of anatomy / [Thomas Northmore]. Public Domain Mark. Source: Wellcome Collection.