Letter scales Pic Letter DC 55 Ladder scale made by DeGrave, Short, Fanner & Co, London, c1870. The lower beams are set for fixed weights of 1/2 oz and 1 oz, respectively. The top beam is pre-weighted for 4 oz, and further weights can be added as required. Brass on a mahogany base. 12" tall. Examples made for the Post Office are marked GPO.
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