...He dived into conversation withme at once as to the splendid mineral resources of his Brazilianestate—the silver, the platinum, the actual rubies, the possiblediamonds... 
Grant Allen 「An African Millionaire」
...I fellasleep on the steamer one day, and woke up in ten minutes to hearhim droning yet, "And the yield of platinum per ton was certifiedto be—" I forget how many pounds, or ounces, or pennyweights...
Grant Allen 「An African Millionaire」
... This is more remarkably displayed in the iodideof platinum, which readily recieves a photogenic image by darkeningover the exposed surfaces, but speedily loses it by bleaching in thedark...
Henry H. Snelling 「The History and Practice of the Art of Photography」
...Solution of Chloride of Gold and Platinum...
Samuel D. Humphrey 「American Handbook of the Daguerrotype」
...It is composed of colorless nitric acid(aqua-fortis) and ordinary muriatic acid; the mixture is yellow, andacquires the power of dissolving gold and platinum...
Samuel D. Humphrey 「American Handbook of the Daguerrotype」
...The negativepole should be a slip of platinum...
Samuel D. Humphrey 「American Handbook of the Daguerrotype」
..."One of the commonest instances ofthe use of a catalyst is the use ofsponge platinum in the manufacture ofsulphuric acid...
Various 「Astounding Stories of Super-Science February 1930」
...While there are a numberof other catalysts known, for instanceiron in reactions in which metallic magnesiumis concerned, the commonestare the metals of the platinum group...
Various 「Astounding Stories of Super-Science February 1930」
...e half turned to pick up a flake of platinum no larger than one'sfinger-nail; it was a weight that was used on a delicate balance...
Various 「Astounding Stories, June, 1931」
...The prince paused, drew forth a long Russian cigarette from anexquisite platinum case...
Various 「Astounding Stories, July, 1931」
..."The misty appearance inside and underneath it is given bythousands upon thousands of minute platinum wires...
Various 「Astounding Stories of Super-Science, November, 1930」
...He wore a white and purple robe; uponhis breast was a huge platinum ornament,a device like a star and cross entwined...
Various 「Astounding Stories of Super-Science, March 1930」
...The pressure actionon the filaments of platinum, and several compositions I have no timeto explain now, causes heat...
Various 「Astounding Stories of Super-Science, June, 1930」
..."Radium is worth more than gold or diamonds or platinum...
Various 「Astounding Stories of Super-Science, June, 1930」
...It was a treasured thing, this locket of platinum on itsthin and lacy chain; it had been his mother's, and he thought of hernow as he opened the clasp to show his own face framed within theoval...
Various 「Astounding Stories of Super-Science, June, 1930」
...The fact that its massive gold and itsscrollwork of inlaid platinum were worth a fortune meant nothing to himthen...
Charles Willard Diffin 「The Finding of Haldgren」
...The peculiar circumstances you refer to werethat you caught him stealing platinum...
Sterner St. Paul Meek 「The Solar Magnet」
...Thetemperature of the melting platinum wire could hardly be surpassed inthe most elaborate furnaces, but it does not attain the temperature ofthe sun...
Robert Stawell Ball 「The Story of the Heavens」
...Nearly all the heat of the sun passes through glass without hinderance;but take heat from white-hot platinum and only seventy-six percent...
Henry Warren 「Recreations in Astronomy」
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