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Side xxi
Thus red lead or minium is the earth procured from the burning of lead ; and putty
, such as the polishers of glass and marble use , is the earth procured from tin .
The principle effecting the combustion of metallic substances , and dispersed in ...
Thus red lead or minium is the earth procured from the burning of lead ; and putty
, such as the polishers of glass and marble use , is the earth procured from tin .
The principle effecting the combustion of metallic substances , and dispersed in ...
Side xxiii
Upon melted lead pour the acid of sulphur ; collect the vapour which will arise ,
by holding a very large glass or other vessel over the melted lead , and you will ,
as soon as the vapour is condensed , observe several filaments of sulphur ...
Upon melted lead pour the acid of sulphur ; collect the vapour which will arise ,
by holding a very large glass or other vessel over the melted lead , and you will ,
as soon as the vapour is condensed , observe several filaments of sulphur ...
Side xxiv
with charcoal dust , and expose either mixture to a melting heat , you will obtain ,
not a glass , but a metal , in weight , colour , consistency , and every other
property , the same as lead . This operation , by which a metallic earth is ree
stored to ...
with charcoal dust , and expose either mixture to a melting heat , you will obtain ,
not a glass , but a metal , in weight , colour , consistency , and every other
property , the same as lead . This operation , by which a metallic earth is ree
stored to ...
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The ANALYSIS OF Water | |
Hence the Oxygen is withdrawn from | |
According to the Opinion of different Writers VITAL AIR 1 Raiſes the Pulse 2 Alters the Mass of Blood 3 Opens OBSTRUCTED Vessels 4 Promotes ... | |
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abſorbed acid alſo animal appeared applied atmoſphere attention attraction AZOTIC become blood bodies breathing called caloric CARBONIC caſe cauſe changes charcoal chemical chemiſtry cold colour combined combuſtion common conſequence conſidered contained continues cure diſcovery diſeaſe earth effects elaſtic entered equal experiments fever fire firſt FIXED AIR fluid give given glaſs heart heat Hence hydrogen immediately increaſed inflammable iron itſelf knowledge laſt lead leſs light lively manner matter medicine mercury metallic mind moſt muſt nature obſerved obtained oxyds oxygen air particles patient perſons philoſopher phyſicians practice preſent principle produced properties proportion proved putrid quantity received remedies rendered reſpiration ſame ſays Sect ſee ſeems ſhall ſhould ſmall ſome ſoon ſtate ſubject ſubſtances ſuch taken temperature theſe THORNTON thoſe tion tube uſe vapour veſſel Vide VITAL AIR weight whole