The Enquirer: Or, Literary, Mathematical, and Philosophical Repository ..., Volume 1William Marrat, Pishey Thompson Whittingham and Rowland., 1811 |
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Page 50
... solution of mu- riate of copper , become yellow by being warmed , aud disappear again when the paper cools . Write with a pen dipped in a very dilute solution of prussiate of pot - ash , and no characters will appear till the paper is ...
... solution of mu- riate of copper , become yellow by being warmed , aud disappear again when the paper cools . Write with a pen dipped in a very dilute solution of prussiate of pot - ash , and no characters will appear till the paper is ...
Page 193
... solution of gold , a green colour is formed , and in a short time afterwards a brown precipitate appears at the bottom of the liquor . A plate of tin , immersed into a solution containing gold , occasions a purple - coloured powder to ...
... solution of gold , a green colour is formed , and in a short time afterwards a brown precipitate appears at the bottom of the liquor . A plate of tin , immersed into a solution containing gold , occasions a purple - coloured powder to ...
Page 194
... solution , liquor of ammonia ( hartshorn water ) occasions that solution to assume a beautiful blue co- lour . A brown precipitate is produced , when Gallic acid is poured into a liquid containing a cupreous salt . When a piece of iron ...
... solution , liquor of ammonia ( hartshorn water ) occasions that solution to assume a beautiful blue co- lour . A brown precipitate is produced , when Gallic acid is poured into a liquid containing a cupreous salt . When a piece of iron ...
Contents
Two Epigrams of much point | 32 |
On the Usefulness of Mathematical Studies | 98 |
Essay on Satirical | 105 |
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