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#~'{L~.{" 187&.
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~ No. 1
ITEIS AIID fJOYELTIES0 ~ e h i n e fer Testing t,he Vahle of L~ubrie~-~tm-,./~7"e
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'herewith ~ e~,W~v~ng of ~ m~hb.~-e for ~ , ~ n g the w l u e o~ b . ~ b ~ by detm'm~iag ~heir power of re&ci~g,, f'deBieu, re~is~ing pre~mm, ehh~e we.~ Onven~ed by Pre ~]W,tc of Tcehno-logy, Hoboken, NL 3°,,~,~d ~J~e p~,r~c~b~r fbrm ~how~a ~ >~e i~b~sSr~t,~on w~s ~esi.gned,b)p ]~
The m~ehic..~e is {nteuded ~c> g{~'ef:h.ecc..:eff~,clen~ d f.ric~ior:p~e~sure o~ bo~rb~g~ ~nd .~e~perature oi° iour~i! b~xe~ a,~- ~ny ~me~ ~m,t t~m readings ere proposed :~o be ~',~k.en :~i~~dmr~ 7n~ervals ~ h r o u g h ~ t .t~e The mschL'<~e em~{~,~ of ~ sh~d'L A.o r-m~d~g 7u ~wo ~e~,r{ng~q B B~
~ , ~nd ei~mph~g i~ b y re,earns of boxes, G ~ , ~ e.a arm. ~J[ I~, car-,. r,?'~g ~m ~-',]iu~ub~e weigh~, }.2, which :m.~v be cha, nged ~or oBe ~f ,:ii~:, ~cvent ~ze~ vr e~dj~r.~ted on t,he ~rm., as i~ fbu~d ~'er',.uT~{~.e., 7Og,. ~,~('q].,.---~gii~rJ ~.g~l~,]s.--lTo.
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The machi,~e is P -.geW¢e.4 b}, P.r+ffe,+sor Thursgor% bu~ +abe p~4,em~z~e a+g~.ou+aees .+.4:a~ masger meeha~rdc~ eau ob~aig permis~]o+~ to e<~+~sg-r+~++..+et,+ ~u~d use i~ on +@p}.{ea.,:~o~ a.o him. 11o wiii, a]+o fura~sh mpp:{ie.~:~, w?d- the n e c e s s a r y dimensions feJ:r +~++.'..~m,~,ehi.,,~es a a d .wigh ghe a++',;mber~, •to be a~gaeb+ed ~o ..:hem. ~
cords a v e r y ingenious piece of er+:,,g:+v.+eering,which i~ w o r t h y oP pbm... ing on record. D u r i n g ~he coas¢:raci~ioi~ oi~ tb..++ bridge at K..+.i]e~borg~ t]oI~and, one of ~k,e principal ++:aw,:,~'>e~+',~;ome 463 feee iin ~er)g+}':., wR+ plaoed about <-+)e inch ~oo far ou f the mass .of m.er.+~t was "039.g_ hwhes per ga,hee,~he]~. degree. Ag the IoeM~y of ~]iie "+++.~rk.#,he d}ff++renee between ,:ha t e m p e r a t u r e of the ~d.r by day a~:~+i }>y +~[ght was ?25° Fahr+ lln @~e mornb)g th-: +.oo ~4 + adva~+~ced e>~! u f d~e ..+.raverse was seeure-]y b o ~ e d down, whea du~ir+g d~e d a y t)ae i~e.ag O Lhe sua exp~'+ded d!~e m,eJ;a~ so tha.++ t&e free end advar+..ced 'iJ~+5 og a+t incl,; --+J,:~e~~s ~igh{ She ot}wr e x t r e m i t y w~s fi-4e:..'~ed .'.']+u:w~+ a~,ut. ~}~e eo.~sracti[oq e.~.ased m:..:,.~ cq~ivMc~t m,:~v,emeu~ of this e..:-d,, i+~y i.~e,,..eera]i o}.)er~:tions r..,f g}ds khad abe traverse wa, s brough~ h~to p>s.,,,++er po,i+5om
Co~sU~iO~ 0*2 Til)~ber,---Bui:. ~~+' people arc aware of ~,ho ~bar~li drain.', w}dch d~e r-aiL','o+~d...,~~.+>@e c,po,:~ ~+he t~mber resom'.ees of +be co,antr)-, a+~d a. proper aFprec}u,5+~'~ d'.:e acre ~s above, :,-'a~he~' +,haa+ +.wdcr~ the aver~!ge~ m'..d i~+ h~+u d=,e>ei~are required ~he produce of 7 5 0 < L'..O0 acr.-s ,d~ well timbered ~aud to f~tr+..+~i+}~,thi++J suppiy+ k.s rM~ro=~d P.{es M~ve a life o f ~+~b.,mV g'~e yea;.-s, abo~g g0,000~000 ~i:e,+ are re~++'+:@ed a m m a ! l y 5>r .:cp~drs----~ ~;.app[y which dem~n.dgs :~,e...., m~a/tiy ~he produc~ of 150,000 ~,-crea+ The ma:...:ufaeCureof roEi:Lg s:~ock req'.u[res :+~-ual:y t}:e prod:ac~ of' :~50,000 ~ores mo:..se,from which .]~+i:~a, [~ appears ~hat ~he railroads arc depleting ~be woodlard of ~he eomv~ry a~ ghe raCe of 500,000 a~cro+ per 7e.-++~r--~, dema+.ad whidb i.s a.]+o r a p i d ] y on ~b,e mcrea+e, ++ R~J~oad O~..-+e~,~, Ma~ ,5% i8+.,...'3,,