Price Computing Weighing Machine Small 289×320 Medium 578×640 Large 925×1024 Download Tiff Original 2169×2400 | (554.8 KB) Description An illustration of a price computing weighing machine using an even even balance and pendulum. Keywords balance, machine, pendulum, scale, weighing, weight Galleries Stores and Markets Source: Encyclopaedia Britannica (11th ed., vol. 28) (New York, NY: The Encyclopaedia Britannica Company, 1910)