The Annual of Scientific Discovery, Or, Year-book of Facts in Science and ArtGould, Kendall, and Lincoln, 1863 |
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Seite 21
... copper , lead , gold , silver , paraffine , etc. How far this system is founded on correct economical principles the future will decide . A collection of architectural irons from France indicated , what is generally believed to be the ...
... copper , lead , gold , silver , paraffine , etc. How far this system is founded on correct economical principles the future will decide . A collection of architectural irons from France indicated , what is generally believed to be the ...
Seite 24
... copper dur- ing many days . Carbon thus travels into the very centre of the bars ; but how this takes place has not yet been clearly explained . This process of preparing steel is an English one ; the furnaces are termed " converting ...
... copper dur- ing many days . Carbon thus travels into the very centre of the bars ; but how this takes place has not yet been clearly explained . This process of preparing steel is an English one ; the furnaces are termed " converting ...
Seite 36
... copper and chemically treated to become surface - blocks by Giessendorf of Vienna ; third , engraved photographs on wood , with which the draughtsman has had nothing to do ; fourth , one of Hogarth's engravings , reduced and engraved by ...
... copper and chemically treated to become surface - blocks by Giessendorf of Vienna ; third , engraved photographs on wood , with which the draughtsman has had nothing to do ; fourth , one of Hogarth's engravings , reduced and engraved by ...
Seite 41
... copper , the whole an alloy of great hardness , of the exact color of gold , and almost as free from liability to tarnish as the precious metal itself . At present the price of aluminum has fallen to about seventy cents per ounce , and ...
... copper , the whole an alloy of great hardness , of the exact color of gold , and almost as free from liability to tarnish as the precious metal itself . At present the price of aluminum has fallen to about seventy cents per ounce , and ...
Seite 61
... copper six hundred parts , zinc three hundred and eighty - two , iron eighteen . Its tenacity is said to be excessive ; it is easily forged and bored , and when cold may be bent considerably without breaking ; its resistance , it is ...
... copper six hundred parts , zinc three hundred and eighty - two , iron eighteen . Its tenacity is said to be excessive ; it is easily forged and bored , and when cold may be bent considerably without breaking ; its resistance , it is ...
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acetic acid action alumina ammonia amount aniline animals apparatus appear applied armor-plates astronomer atmosphere body British carbonic acid cast iron cent charcoal chemical cloth color comet containing copper degrees diameter discovery distance earth effect electric English engraving exhibited existence experiments explosion fact feet fibre force furnace heat hundred hydrochloric acid hydrogen inches increased iron lakes light lines liquid London machine magnetism manufacture mass matter ments metal metres miles minute motion naphtha nature nitric acid nitrogen observed obtained organic oxide oxygen paper passed phenomena phosphorus plants plates pollinia portion pounds present pressure produced Prof projectile quantity recently remarkable resistance rifled salt shell ship Shoeburyness shot side solar solid solution specimens spectrum stars steam steel stone strychnia substance sulphuric acid surface target temperature thallium thick tion tons tube vapor velocity vessel weight wrought iron