Labels:text OCR: PLATFORM SCALES -. ---- -- - CONNECTING BAR SECOND LEVER THIRD CALIBRATED LEVER BAR ..... - .... ---- WEIGH 0 --- ...--. ---- 2 3 4 5 6 ---- 8 .. . .. -- FIRST LEVER WEIGHT -- + PLATFORM SCALES are useful for weighing heavy objects accurately. Three levers are connected so that the load on one lever becomes the effort on the next lever. The effect of this is that you can balance a heavy object by sliding a small weight along SEE ALSO the calibrated bar. ----
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