Encyclopædia Britannica: Or, A Dictionary of Arts, Sciences, and Miscellaneous Literature, 7. köide,2. osaColin Macfarquhar, George Gleig A. Bell and C. Macfarquhar, 1797 |
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Results 1-3 of 37
Page 604
... pounds , and of calcined iron five drams ; and purfue Gem . the fame procefs as with the reft . may prepare . Very ... pounds of white fand cleanfed , three pounds of red lead , two pounds of purified pearl - afhes , and one pound of ...
... pounds , and of calcined iron five drams ; and purfue Gem . the fame procefs as with the reft . may prepare . Very ... pounds of white fand cleanfed , three pounds of red lead , two pounds of purified pearl - afhes , and one pound of ...
Page 770
... pounds , of faltpetre 15 pounds , of borax one pound , and of ar- fenic half a pound . If the glafs fhould prove yellow , magnesia must be added . A cheaper compofition for window glafs confifts of 60 pounds of white fand , 25 pounds of ...
... pounds , of faltpetre 15 pounds , of borax one pound , and of ar- fenic half a pound . If the glafs fhould prove yellow , magnesia must be added . A cheaper compofition for window glafs confifts of 60 pounds of white fand , 25 pounds of ...
Page 785
... pounds of lead - afhes , one pound of tin - afhes , three pounds of flint , three quar VOL . VII . Part II . ters of a pound of falt , half a pound of tartar , and half Glafs . a pound of copper - duft . Iron - colour is prepared of 15 ...
... pounds of lead - afhes , one pound of tin - afhes , three pounds of flint , three quar VOL . VII . Part II . ters of a pound of falt , half a pound of tartar , and half Glafs . a pound of copper - duft . Iron - colour is prepared of 15 ...
Common terms and phrases
affiftance againſt alfo almoft alſo ancient angle bafe becauſe befides cafe calcined called caufe circle colour compofition confequence confiderable confifts defcribed defign degree diameter diftance duke duke of Burgundy earth ecliptic emperor equal faid falt fame fays fecond feems feen feet fent ferve feven feveral fhall fhips fhould fhow fide filk fince firft fituation fize fmall folid fome fometimes foon fouth fpecies fquare France French ftands ftate ftill ftones fubject fuch fufficient fuppofed fupport furface Gaul Gazna glafs glaſs globe height himſelf horizon houfe houſe inches increaſe interfection itſelf king laft latitude lefs likewife Louis meaſure meridian moft moſt muft muſt neceffary obferved occafion oppofite paffed perfon pole pounds prefent prince purpoſe raiſed reafon refpect reft reprefented rife Romans ſmall thefe themſelves theſe thofe thoſe tion triangle ufually uſed veffel vitrification weft whofe