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  2. The Diamond Rock Drill.

    THE following paper was read at the last meeting of the N.S.W. Engineering Association by Mr. Humphries. He said:- "It is not my intention this evening to read a ...

    Article : 3,698 words
  3. RAMBOSSON AND THE GREAT COMET OF 1861.

    SIR,—An English translation, by 0. B. Pitman, of Rambosson's Astronomy appeared in the year 1875, and a new edition of this translation has just reached this colony. In the chapter on comets will be found the following passage:—"There have ...

    Article : 584 words
  4. THE DIAMOND ROCK DRILL.

    SIR,—In reference to a paper recently read by Mr. Humphries before the Engineering Association of New South Wales on the construction and use of the diamond rock drill, I can bear testimony to all that gentleman has said respecting the ...

    Article : 365 words
  5. Scientific Notes.

    The Whitehall Review hears that a company has been formed abroad for the purpose of lighting towns by means of the latest-invented electric apparatus. We shall, therefore, in a short time know if gas is ...

    Article : 891 words
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