INSTRUMENTS OF MEASUREMENTS
ABACUS ----CALCULATIONS
ANEMOMETER---- WINDSPEED
BAROMETER ----ATMOSPHERIC PRESSURE
CALIPERS -----THICKNESS
CLOCK ----TIME
SUNDIAL ----TIME
CHRONOMETER ----TIME
GEIGER COUNTER ---RADIATION
HYGROMETER----- HUMIDITY
RULER----- LENGTH
SEXTANT -----NAVIGATION
THERMOMETER---- TEMPERATURE
WEATHERVANE----- WIND DIRECTION
YARDSTICK----- DISTANCE
ODOMETER----- DISTANCE
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