Abstract
ONE of the many optical instruments which the English opticians have allowed the Germans to supply almost entirely is the saccharimeter. This instrument used to be made by Browning, but in late years nearly every instrument purchased in England has come from Berlin from the firm of Schmidt and Haensch, who make several designs of large and small instruments. It is therefore a pleasure to find an English firm-Messrs. Bellingham and Stanley, of London-making a saccharimeter which introduces valuable improvements on the German design. The one to which we refer is of the half-shadow type with quartz compensating wedges, but instead of the usual long wedge of which the movement is read direct by a scale and vernier, this one has a short wedge of larger angle. The wedge is moved by a screw, and the movement is read on a large drum with an open scale and sliding pointer. The whole length of the scale is some 2 ft. instead of 1 or 2 in., and it can thus be read with great ease.
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A New Saccharimeter . Nature 95, 602 (1915). https://doi.org/10.1038/095602a0
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DOI: https://doi.org/10.1038/095602a0