Minutes of Proceedings of the Institution of Civil Engineers, Band 2

Vols. 39-204 (1874/75-1916/17) have a section 3 containing "Abstracts of papers in foreign transactions and periodicals" (title varies); issued separately, 1919-37, as the institution's Engineering abstracts from the current periodical literature of engineering and applied science, published outside the United Kingdom.

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Seite 44 - A Description and Draught of a new-invented Machine, for carrying Vessels or Ships out of, or into, any Harbour, Port, or River, against Wind and Tide, or in a calm.
Seite 215 - Memoirs and accounts of the Works and Inventions of any of the following Engineers : — Sir Hugh Middleton ; Arthur Woolf; Jonathan Hornblower ; Richard Trevithick ; William Murdoch (of Soho) ; and Alexander Nimmo. Original Papers, Reports, or Designs, of these or other eminent individuals, are peculiarly valuable for the Library of the Institution. The Communications must be forwarded, on or before the 31st of May, 1844, to the house of the Institution, No.
Seite 155 - They are superior to maps, as they show at a glance the relative heights of the various points, display the geological phenomena, and may be made to delineate the state of cultivation of the districts. The lines of railways, of roads, or of canals, can be more clearly defined upon them, and they are stated to be peculiarly adapted for parish surveys.
Seite 88 - Mr. Bethell found that some solutions were taken up more rapidly by the sap and circulated with it more freely than others. and the pyrolignite of iron seemed to answer best ; he had not hitherto introduced the process in England, because .it was much more expensive than the oil of tar, the pyrolignite costing from 6d.
Seite 80 - ... on to the circumference of the tanks. Notwithstanding the great strength of these girders, several were broken by the pressure applied during the process. The vessels are lined with felt, upon which is laid a covering of...
Seite 203 - ... should not have any effect in disturbing or altering the flame. It is found that the wind may blow suddenly in at the cowl, and the effect never reaches the lamp. The upper, or the second, or the third, or even the fourth portion of the ventilating flue might be entirely closed, yet without altering the flame. The cone junctions in no way interfere with the tube in carrying up all the products of combustion ; but if any downward current occurs, they dispose of the whole of it into the room, without...
Seite 94 - ... are so small as to be easily obstructed or choked. The water enters the buckets in the direction of the tangent to the last element of the guide curves, which is a tangent to the first element of the curved buckets. The water ought to press steadily against the curved buckets, entering them without shock or impulse, and quitting them without velocity, in order to obtain the greatest useful effect, otherwise a portion of the water's power must be wasted or expended without producing useful effect...
Seite 180 - Waterloo-bridge, and thence to the top of the tower, where one of the telegraphs was placed; the wire then descended, and a plate of zinc attached to its extremity was plunged into the mud of the river; a similar plate was attached to the extremity at the north side, and was immersed in the water. The circuit was thus completed by the entire breadth of the Thames, and the telegraphs acted as well as if the circuit was entirely metallic.
Seite 60 - ... due to the required velocity of the water reaching the wheel. 3rd. If the level of the water in the reservoir never fall below the mean depth of the reservoir, when at the highest and lowest, and the average depth be between an eighth and a tenth of the height of the fall...
Seite 19 - Embankments, with the cost thereof. 30. The proper slopes for Cuttings and Embankments in various soils. 31. Notice of the principal Self-acting Tools employed in the manufacture of Engines and Machines, and the effect of their introduction. 32. On the most effective and best adapted Machines for bruising or crushing the...

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