. The universal assistant, and complete mechanic : containing over one million industrial facts, calculations, receipts, processes, trade secrets, rules, business forms, legal items, etc., in every occupation, from the household to the manufactory. StEfEfG SOiCEXCLATCE^. Fi- lovre-t sandstooe, and occasionally in coal stmti. (Jold is yeljov, copp^red. iron, i^y, lead, felne, col«It and manganese, grey; ill theVSthers Sx9■white; ...... i-=c.,-; the transverse section of a mineral vein, in-wliich. in^ A A represents the • co!/?»if>-^, br^chcompoping the:- tliemn. 1>. kaiigrfnci-icaU. V,f(X
. The universal assistant, and complete mechanic : containing over one million industrial facts, calculations, receipts, processes, trade secrets, rules, business forms, legal items, etc., in every occupation, from the household to the manufactory. StEfEfG SOiCEXCLATCE^. Fi- lovre-t sandstooe, and occasionally in coal stmti. (Jold is yeljov, copp^red. iron, i^y, lead, felne, col«It and manganese, grey; ill theVSthers Sx9■white; ...... i-=c.,-; the transverse section of a mineral vein, in-wliich. in^ A A represents the • co!/?»if>-^, br^chcompoping the:- tliemn. 1>. kaiigrfnci-icaU. V,f(Xft-icaU: pD, sh u;je,(^•> . >»,i;te rock or rubbish is termed deoni^or aSCi^;-workings ina mfne by person?; of wliom no record remains are termed oif nu^y; anopening left for lettlpg dt)vm ore is cnDett a pnsx; the place at which a lodedivides in ttvb is named point of horse ; the lowest workings in a mine orlevel are called b-ttoms; the appearance of a mineral lode at the surfkce iacalled an ovtrrop: the amount of slope of a minernl vein measured from ahori-rontal line is termed a fip ,- a Irorizont;. or nenrly horizoirtal working ina caine is caOed a d,rijt, yailery, level, or gunny ; the subatance iu which or« mmride VllJ. Ilg. 2.—Traxsaersb Sectiox of a Tetk, fc fonnd f - ■■ ! ■ - . - ■ fr ; a cavern or fissure in which waterfells and ■■: the ascending air-cnrrent from a mine i-t ■. vai J current is called a rfoir/ica^f, &c., &r^. Mort of ;- tci;, tj^cthcr with a vocabulary of similar technicali-ties, derive their origin from the Cornish miners. ■ Metals are ;?: = :^ -- -vs. sulphurets, oxides, or salts. , and ..nlv as aHovs. Silver, mercurv, cop^ per. iron, : the four states. Lead and zinc in the three p<^-?-7c ; o^teh tt«r» or p^ore rewriting metals, with■Of ■ -:i Vdies beins tailtil fi^ f lead, called galena. i _ : iuing rocks ; the ag©
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Keywords: ., bookcentury1800, bookdecade1870, booksubje, booksubjecttechnology
