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ALCOHOL
HYDROMETER TRALLE AND PROOF SCALES, 0 TO 100 RANGE,
1MM INTERVAL, 305MM LENGTH
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With range 0° to 100° Tralle
in 1° divisions and 0 to 200° above proof in 2° divisions
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Calibrated at 60°F within a tolerance of +/-0.5
smallest scale division
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Approximate total length 305 mm, length of scale
150 mm
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