Encyclopædia Britannica: Or, A Dictionary of Arts, Sciences, and Miscellaneous Literature, 11. köide,2. osaColin Macfarquhar, George Gleig A. Bell and C. Macfarquhar, 1797 |
From inside the book
Results 1-3 of 43
Page 449
... glass without a reducing faline flux , and melt it in a clofe veffel , and in a fire having a draught of air ; by which you will obtain a regulus . " But when the fcoria has little or no fulphur at all in it , take one centner of it ...
... glass without a reducing faline flux , and melt it in a clofe veffel , and in a fire having a draught of air ; by which you will obtain a regulus . " But when the fcoria has little or no fulphur at all in it , take one centner of it ...
Page 454
... glass retort perfectly clean , well loricated , or coat- ed up to half the length of its neck : this must be very long , and turned backwards with fuch a declivity , that a glass recipient may be perpendicularly applied to it but you ...
... glass retort perfectly clean , well loricated , or coat- ed up to half the length of its neck : this must be very long , and turned backwards with fuch a declivity , that a glass recipient may be perpendicularly applied to it but you ...
Page 720
... glass is made greater or lefs , by two circular pieces of brafs , with holes of different fizes , that are screwed feparately over the said lens . But at times , objects appear beft when the microscope is held up to the common light ...
... glass is made greater or lefs , by two circular pieces of brafs , with holes of different fizes , that are screwed feparately over the said lens . But at times , objects appear beft when the microscope is held up to the common light ...
Common terms and phrases
alfo alſo animalcule antimony appear arfenic becauſe body brafs cafe calcination called caufe cauſe colour confequence confiderable confifts copper Cortes diftinct diſcovered diſtance divifions earth exiftence exiſtence extenfion faid fame fays fcrew fecond feems feen fenfation fenfe fent feparated feven feveral fhall fhould fide filver fimilar fimple fingle firft firſt fituation fize flider fmall folar folid fome fomething fometimes foon fore ftate ftill ftones fubftance fubject fuch fufficient fufion fulphur fuppofe furnace fyftem glafs himſelf ideas impoffible inches inftance inftrument iron itſelf kind laft lefs likewife litharge magnifier matter meaſure metals Mexicans Mexico micrometer microſcope mind moft Montezuma moſt motion muft muſt nature neceffary obferved object occafion paffing pelvis perceive perception perfon philofophers poffible pofition prefent purpoſe pyrites quantity reafon refemblance refpect reft ſmall ſome ſpace Spaniards thefe themſelves theſe thing thofe thoſe tion tube uſed uterus veffel