hand anemometer वाक्य
"hand anemometer" हिंदी में hand anemometer in a sentenceउदाहरण वाक्य
- Our own measurements, made with a hand anemometer at a height of four feet from the ground, showed a velocity of about 22 miles when the first flight was made, and 20 1 / 2 miles at the time of the last one.