Ain.l II|.M a < ircular railway, the power 



,,., .: ! - , f, > :. .- , . . : . 



Uenos to machinery." On thu railway a 

 >adeof email out coupled together. 



.,.'. i: ...-..: k ', 1 ' * < - , . ' . . 



With 6ecfa olhrr. l: H t>> lh,- ,.,d. Ih, *MU 



re automatically trimmed, and aubima 

 onlract, or ralhrr uk. in 



hlrnw ft 



.ui continue* rotating, an.l f 

 wtth rent ml axle the latter may 



iiarge electrical accumulators, A nniur (> 



Wftlrr, l--al ' 



MIL ! Hit". I- 



'. 90, or 50 miles away any work that may 



Mas 1*7. After 



- ' 





ed States," prepare! 



. .' ! W, 



at I' !..!. 111 Iteeem- 



l.l.- availability <>f the wind as a 



. .'.. V .'.!!!).:.! 



-u-tunl 



rt urea ahow that the greatest 



i. -...i . 



:". U. 



: A * . . 



amperatures prevail* in the regkn 

 - the relative humidi 



is much hi -I.. 

 early agree. Effective winds appe 



lie year on th 

 i.-k> mountains, but to * re** a- 



I 



continuously and graphically, lift ..-.I by kites, was a 

 lograph made of light n 



. was raisr<i M Blur Hill 

 H, August, !'} 



feet above* thr hill. miltam-.,,. 



serrations could be obtained in the free air and on 

 the ground. This method has been sin th.u in 

 regular use at th.< Blu.- Hill ( >bscrvatorv. In the 

 present prat-tit-. , Malay tailless 



ptea, |-r. tenting s nvex surfao to I In ; i. an 

 used. r II , -raves's cellular kites, consisting of 



i -airs of superposed planes, wr 

 connecting each pair. The line holding the kites 

 be steel music wire, (rOCfci of nn it 



.. fUOO pound-, and weigh- 

 Subsidiary kites are at- 



tachcd by independent cords to various points of 

 the line. The meteorographs, recording pressure 

 wind \.-l.H it\. and air t, M,;.. rvitv. are. composed 

 mostly of alum in u in. and welch leaf than 

 !h. wire is coiled upon the dr 



a windlass, which mav U tnrtH-d l.y t\%.> nirn; a 

 o registers the length of wire un- 

 coiled, while the an* 



. these data, or from tbe 

 barometric reconi. the alt r meteorograph 



. be flown in all kit 



weather. In In- |.:ti > r r.-.i-l at '..- British Asaooi* 



toroftheltlue 



which kit-H had hf .-orograph 8,740 feet 



above Blur Hill. <M. s. 1888. when 



wmd. .orogranh remained durinf several 



ill a mil.-, and good recor 



atmospheric pressure, trnt|>cmture, and hygrometer 



ware brought down, M.-n- than ..n.- bwJsntvl r- 



.tmospberic pressure, temperature, and 



it intermediate 



feet had btvn obtained when 



Mr. Hot on in ado his report to the American 



of Arts and 



'. !?, a 

 7kitr. wa. rai~d t,. a btiffc ' fell f. -. l 



1.000 feet above tne obswrve- 

 .- having been 



rfimlsmj -.<!, kttni m thai 



a mile the diurnal rhenges of teu 



free air nearly diamppcar. although in fair weather 



.11 the nights. 



warm waves" begin In the upper air. as is proved 

 by the tempvratur* decreasing fattrr than n 

 or even increasing afar .lutud*. 



i.. f... m f Usfis&M bftjfasi.1 tfc 

 - ............ / . 



m to be usually warmer and 



than thr air l*|..w. Kit furtmh n-ad> and a. 

 curate method of measuring tne heights of certain 

 low an*! uniform clouds, wilca eonld not be easily 



wind dilution In tne different air tretaaJTSer- 

 l IM- axirautns of tne kites; Umchang** 



.usually increases with altitude, and vertical cur- 



r- SAB.***! r .. j R ... i ffwaVJMmYI !' ' 



isstnmg 



potential had lately been 



Bureau with kilcn flown at distances of from 



1 1 iles from the earth'* surface have shown that 

 the shifting of the wind occurs at the bright of a 

 mile from twelve to sixteen hours before the same 



. mmfi f Mr., '. : . : .' | BWjJ ,. . . ..- : -r 



hopes soon t.. l> al.h- to construct a telegraph 

 chronous chart based on OTndftrffwf of the atmo- 

 pnerea mSk abow UN mafsoi of tlx nrtl 



h A ciat i.-n the diversi- 

 ties of climate in Canada. Mr. H. i 



iterate ; while on the east side of the Rocky moun- 

 tains, on the high-level plateaus . .' hwest 

 Territories, and in Manitoba, large extremes of 

 i. m|Taturr pn-tail. but the stmosphere is bright. 

 .-. and healthy. In the valleys of tne 

 :twrence and Ottawa rivers a cold, bright, 

 tig winter is followed by e long, warm sum- 

 mer, while the mar, 



that ha been highly extolled. Among tne marked 

 .h.naiological feature* of tbe mountain districts 

 are the rapid change* of temperature that fre- 

 quently occur in short intervals of time, tne great 

 varia) iffrrcnt years of the mean winter 



no and of the summer rainfall, and thr 

 warmth of the summer in tne great Menken iUi 

 lsin. ju-t irrle. The author 



further discussed the local featun mate 



.larioand Vetiec. The annual fr 



ntario is H^mnMnl 

 inches, an.l i< fairly evenly distnl 

 the year. In summer, however, the rain generally 

 falls in t hundershowers. and cloudy and w< 

 The Hreat l-akes never free 



are rarr. 



. ,, .- . ..:..,-.- 



tho middle of December, and remain froxer 

 till the end of March or tne beginning of A 

 The average date of the closing of navigation on 

 the St. lAwrenc* is in December, ami of thr open- 

 ing Apnl -.'I. Harbors on tne Gulf of SL Law- 

 renor are likewise closed by ice during the winter 

 months but on tne Bay of Vundy and the coast of 



^ntia they are open all the year round. 



.ethod has been evmetad by r 

 Ptckering for detenniningOM distance and direc- 

 tion of one vessel from another in a fog by means 



