Transactions and Proceedings and Report of the Royal Society of South Australia, Volumes 7-9

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Page 16 - ... inch in diameter, with a groove or channel round it, whose middle is about 0'34 inch below the top of the cylinder, for insertion of the points of the ivory fork by which it is to be lifted ; the edges are carefully rounded off, and such standard pound is marked, PS 1844, 1 Ib.
Page 16 - ... near to each end a cylindrical hole is sunk (the distance between the centres of the two holes being thirty-six inches) to the depth of half an inch, at the bottom of this hole is inserted in a smaller hole a gold plug or pin, about...
Page 251 - The summary report of the operations of the geological and natural history survey of the Dominion of Canada by the director, ARC Selwyn, gives a creditable showing for the amount of money expended.
Page 16 - Part of an Inch transverse to the Axis of the Bar, and Two Lines at nearly the same Interval parallel to the Axis of the Bar ; the Measure of Length...
Page 9 - ... last drop of water and the gold with a glass rod on to the plate; the water is drawn off by a piece of filter paper and the plate gently heated till dry. Having thus obtained the gold in a pure state, a bead is made of boracic acid on a platinum wire loop and pressed on the gold while still red-hot ; the gold adheres without difficulty, and by heating the bead before the blowpipe the gold is obtained as an almost perfect sphere. Should the resulting sphere of gold be very minute it is better...
Page 253 - A Synopsis of the Queensland Flora, containing both the Phaenogamous and Cryptogamous Plants; Fredk.
Page 27 - Water weighed in Air at the Temperature of Sixty-two Degrees of Fahrenheit's Thermometer, the Barometer being at Thirty Inches...
Page 21 - ... its specific gravity and expansion not being known. And, he adds, that it is to be hoped that no pound will in future be declared a legal standard unless these elements (the knowledge of which is indispensable even for a single comparison with a good balance) are previously determined with the greatest possible precision.
Page 10 - The following rules and figures may be useful to anyone wishing to adopt the system here described : — 1. The weight of a sphere increases as the cube of the diameter. 2. The weight of a sphere of any substance of which the specific gravity is known is obtained by multiplying the weight of a unit sphere of water by the specific gravity of the substance and the cube of the diameter. Constants for use with gramme weights — 1 weight of a sphere of water O'Ol mm.
Page 19 - ... which is nothing more than an excessive distension of the stomach, pressing against the diaphragm, preventing the lungs from working, and the animal is really strangled to death. To this cause I attribute all the deaths (and they are very numerous) caused by Lotus ausiralis, var.

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