The barograph aboard the plane showed he had reached a height of, temporarily setting the world's altitude record.
12.
Many pilots today use Lange-designed barographs featuring a fixed reference datum from which all aneroid pen deflections are measured.
13.
The Illinois government also equipped the observatory with thermometers, a thermograph, barometer, barograph, rain gauge, and weather vane.
14.
The pen on the Post Office barograph was prevented from registering below 948 hPa by the flange on the bottom of the drum.
15.
But, newer solid state, digital barographs from manufactures such as ASI eliminate this issue altogether, since they use no moving parts.
16.
However, the barograph cylinder on her recording instrument had stuck at 28, 000 feet, destroying hope of an official world's record.
17.
The volcano sent out a shock wave-- measured by barograph machines used to detect atmospheric changes-- that traveled around the Earth seven times.
18.
Lindbergh's flight was certified by the National Aeronautic Association based on the readings from a sealed barograph placed in the " Spirit ".
19.
Instruments to continuously record variations in meteorological parameters using Kew Observatory these cameras had been invented by Francis Ronalds in 1845 and his barograph had earlier been used by FitzRoy.
20.
He even went to the extreme of tearing the barograph out of the cockpit of that day's victim, his twelfth, so its readout would confirm his combat report.
