Metallography as a Separate Science; Or, The Student's Handbook of Metals ...Longmans&Company, 1871 - 128 páginas |
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Página 9
... wire not thicker than a human hair ; and Dr. Wollaston has produced platinum - wire actually finer than the thread of a spider ; while he drew a single grain of gold into wire to the enormous extent of 790 feet , the wire being only 1 ...
... wire not thicker than a human hair ; and Dr. Wollaston has produced platinum - wire actually finer than the thread of a spider ; while he drew a single grain of gold into wire to the enormous extent of 790 feet , the wire being only 1 ...
Página 10
... wires being equal : -copper , 1,000 ; gold , 935 : silver , 740 ; zinc , 285 ; platinum , 165 ; iron , 160 ; tin , 155 ; lead , 85 ; mercury , 35 . The metals are also good conductors of heat , but their conducting powers are very ...
... wires being equal : -copper , 1,000 ; gold , 935 : silver , 740 ; zinc , 285 ; platinum , 165 ; iron , 160 ; tin , 155 ; lead , 85 ; mercury , 35 . The metals are also good conductors of heat , but their conducting powers are very ...
Página 17
... wire . It has been stated that its malleability is such that it can easily be beaten out , either hot or cold , to the same extent , and as perfectly as gold or silver . It is lighter than most of the metals , its specific gravity being ...
... wire . It has been stated that its malleability is such that it can easily be beaten out , either hot or cold , to the same extent , and as perfectly as gold or silver . It is lighter than most of the metals , its specific gravity being ...
Página 19
... wire of one - twelfth of an inch in diameter will support a weight of 9 pounds ; and its specific gravity is 6-702 . Though it appears to be hard , it may readily be cut with a knife ; it has a singular taste , and when rubbed it emits ...
... wire of one - twelfth of an inch in diameter will support a weight of 9 pounds ; and its specific gravity is 6-702 . Though it appears to be hard , it may readily be cut with a knife ; it has a singular taste , and when rubbed it emits ...
Página 29
... can it be drawn into wire ; and its tenacity is such that a rod one - tenth of an inch in diameter will support a weight of about 30lb . In hardness it is intermediate between gold and silver . When exposed to the influence of the 29.
... can it be drawn into wire ; and its tenacity is such that a rod one - tenth of an inch in diameter will support a weight of about 30lb . In hardness it is intermediate between gold and silver . When exposed to the influence of the 29.
Otras ediciones - Ver todas
Metallography As a Separate Science, Or the Student's Handbook of Metals Thomas Allen Blyth Sin vista previa disponible - 2023 |
Metallography as a Separate Science, Or the Student's Handbook of Metals Thomas Allen Blyth Sin vista previa disponible - 2015 |
Términos y frases comunes
absorbs oxygen acetic alloy amalgam Ancient antimony arsenic atmosphere Author baryta Bedford bismuth black oxide blue brittle burns cadmium cæsium calcium called carbon Cerium CHAPTER charcoal chloride cobalt colour combination compound consists converted copper Cornwall crystals decomposed degs deutoxide Dictionary discovered dissolved ductile earth employed England Erbium exposed Fahrenheit fused fusible fusion glass gold HISTORY hydrogen Illustrations Iridium Klaproth known Latin lead lime malleable manganese melted mercury metallic lustre mineral mines Molybdenum muriatic native nature nickel Niobium nitric nitro-muriatic acid obtained occurs osmium oxide oxide of iron oxygen peroxide Plates platinum possesses Post 8vo potash potassium powder precipitate procured properties protoxide pure red heat red oxide revised Rhodium rubidium salts Second Edition silver sodium solution specific gravity Square crown 8vo strontia substance sulphate sulphuret tantalite Tellurium temperature Third Edition vapour volatile vols white oxide wire Woodcuts yellow oxide zinc
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