作者: Konrad S. Landauer
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摘要: An infantometer is made of low-friction styrene, has two telescoping halves, with each having half the measuring indicia thereon. The first stationary a fixed handle against which head infant placed. or scale on located along one side edge thereof. second, sliding telescopingly slides in half, and foot-handle attached at it distal, free end for abutment feet outstretched infant. second thereof laterally opposite to that corresponding half. arranged descending order magnitude, so end-edge serves as indication-rule. halves have an upper surface form trough concave central section supported, whereby prevented from falling out.