...If, when the gold is rubbed upon this stone, it leaves a reddish mark, it is regarded as a satisfactory proof of its purity; otherwise, there is more or less alloy... 
Horatio Bridge 「Journal of an African Cruiser」
...These Champlevé enamels upon bronze have usually an opalescent or cloudyappearance caused by the fusion of the tin in the bronze alloy duringfiring...
Richard Glazier 「A Manual of Historic Ornament」
...Bronze, an alloy of copper and tin, has been in use from a remote periodin the history of the arts...
Richard Glazier 「A Manual of Historic Ornament」
...Gold foilis the best for our purposes; coin, however, answers, in most cases, forthe daguerreotype operator, as the alloy, being so slight is not noticedin the gilding process...
Samuel D. Humphrey 「American Handbook of the Daguerrotype」
...Probably wehave a chunk of nickel-iron alloy here...
Various 「Astounding Stories, March, 1931」
...The thing was made of a lustrous, silvery metal, which Dan afterwardssupposed to be aluminum, or some alloy of that metal...
Various 「Astounding Stories, July, 1931」
...The light of the sun, or any light, for that matter, wasconcentrated through the lens onto a series of photo-electric cells,composed of an alloy of selenium and the far more delicate element,illinium...
Various 「Astounding Stories, July, 1931」
...And it is an aluminum alloy that is not nearly as heavy as itlooks...
Various 「Astounding Stories of Super-Science, May, 1930」
...“A juncture of two wires made ofdissimilar metals, in this case of platinumand of platinum-iridium alloy...
Various 「Astounding Stories of Super-Science, March 1930」
...Gracely produced what he christened "aluminoid-spectrite"—alight-weight alloy which, when carrying an oscillatingelectronic current of the proper frequency, produced theeffects I have described...
Various 「Astounding Stories of Super-Science, October, 1930」
..."This is metal cloth coated with thenew alloy," he said, in a matter of facttone...
Various 「Astounding Stories of Super-Science April 1930」
...rill rods and cables, all were made of the newest aluminum alloy...
Charles Willard Diffin 「Two Thousand Miles Below」
..."No melted stone would melt theKrieger alloy, unless it was under pressure, which this was not...
Charles Willard Diffin 「Two Thousand Miles Below」
..."But we want to remember onething," he added: "We've punched a hole in the ground, and we've got intoa place that is hot enough to melt Krieger alloy one minute and is stonecold the next...
Charles Willard Diffin 「Two Thousand Miles Below」
...The ship's bow was a blunt, rounded nose of glass, cut by cross bars ofaluminum alloy...
Charles Willard Diffin 「Two Thousand Miles Below」
...Sometimes, asin the Rowton siderite, the whole object consists of little else;sometimes this alloy is in grains distributed through the mass...
Robert Stawell Ball 「The Story of the Heavens」
...This alloy is so hard and brittle as to make the necessarymechanical operations difficult to manage...
Robert Stawell Ball 「The Story of the Heavens」
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