MEASURING THE AIR HE BREATHED.

Press, Volume LXI, Issue 18420, 29 June 1925, Page 14

MEASURING THE AIR HE BREATHED.

TELESCOPE "FIND." (ngx on own coMuitpojcDrnwr.) LONDON, May 20. The honoured guest of the Royal Society of Burlington House, where scientists gathered to admire .the evidences of the year's progress in learning was Mr J. B. Bluebottle. ( Mr Bluebottle arrived with many friends from Cambridge University, and was specially accommodated m a tube. Fresh air was put into the. tube, with an intimation that the visitor could breathe as much as he liked. Mr Bluebottle breathed deeply, and to the delight of those who were measurine his respiration with an instrument called the Shakespeare katharometor. At the same time the "staleness" of the atmosphere inside the tube was also recorded by this device. The katnarometer can—Measure a plant's breathing; Record an insect's respiration; Find the water vapour in air. It can also detect the most minute leakages of gas in the envelopes of balloons and airships, and tests are being made >" to /determine its value in medical re*v search. ■ln-another part of the exhibition Mr George H. Gabb showed what believed to be the earliest English tele- - scope. It is made of wood, covered : with red leather, and shaped like a j** trumpet. It bears the name and date: *§, "Jacob Cunningham, 1661." Mr Gabb, jj&S*3ybo collects antique instruments, told story of its discovery. jU/Amring the exhibits were Boine from the <ffe£3 cases' d£ dinosaur bones which latefs&yfeiJeaebed the British Museum from. |||j3Janganyika. ; ; • SjylpSi*; Ernest Rutherford demonstrated ||ll|Sßi'» French feiin showing the motion lllililb'h is incessant'in minute particles. |||iipC»pcopistß know it as "Brownian The incessant and irreguof these atomic particles in gases were clearly shown To secure them microscope had to be