. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. Pig. J. Fig. 2. wheel fixed on one end of an axis *, on the other end is a chain wheel c, which by means of a chain transfers the motion to another small chain wheel d, fixed on an axis e, with an endless screw /, that takes into the sec- tion «â fined on the head of the rudder. The axis e turns on bearings, which are formed with cork or other elastic substance placed at the ends, so that any sudden movement of the axis endwise would be counteracted by the elastic packings.
. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. Pig. J. Fig. 2. wheel fixed on one end of an axis *, on the other end is a chain wheel c, which by means of a chain transfers the motion to another small chain wheel d, fixed on an axis e, with an endless screw /, that takes into the sec- tion «â fined on the head of the rudder. The axis e turns on bearings, which are formed with cork or other elastic substance placed at the ends, so that any sudden movement of the axis endwise would be counteracted by the elastic packings. For the purpose of keeping the chain at all times tight, the standards carrying the bearings of the axis 6 are made to rise or fall. gas apparatus. Hbmrt Baucis, of Wardour-street, London, civii engineer, for " Im - pronementi in the marm/acture of Gas,"âGranted Oct. 9,1815 ; Enrolled April 9, 1846. The apparatus consists of an ordinary retort, supported on a perforated tile fixed over a furnace; the openings in the tile allow the heat to pass freely to the retort, and at the same time form a complete support. This tile constitutes the first claim for improvements; the second claim consists in the mode of fastening the door to the retort; this door is made with in- clined surfaces on the rim, and is ground to the mouth piece, so that when the door is pressed close by means of a key that turns it slightly round under fixed lugs, it will be gas tight. The gas, as it is made in the retort, ascends by a pipe in the front, and enters into a hydraulic main or vessel placed within a larger vessel fixed on the top of the brick-work over the retort; the larger or outer vesstl receives the tar and ammoniacal liquor as it flows over from the inner compartment, and at the same time forms the tank for those materials. It is the combination of this apparatus in one vessel that constitutes the third improvement claimed. The gas passes from this inner vessel or hydraulic main by
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