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Sanders & others. Ploughing, &c..
15 Dec. 7 Dec.
20 Oct. 8 Dec.
1 August 15 Oct.
8 Nov. 21 Nov.
22 August 14 Oct.
23 July 1 Sept.
Working under water 7 July 13 July 14 Oct.
2 August 2 Sept.
3 Dec. 7 Dec.
8 Nov. 28 Nov.
Steam-engines & propelling 8 Nov.
The steam engine to which the name last named, is shown in fig. 14, in which of Cambrian has been given (in compli
i represents the driving-shaft, k the ec
centric and connecting-rod, and e the ment, we presume; to the birth-place of
case of the valve v. In fig. 2 and 3 the the inventor,) is one of several inven
piston-shaft, with its two arms projecting tions, included under à patent granted herefrom, and two stuffing boxes, in on the 7th of April, 1841, to Mr. John which the shaft oscillates, are shown ; Jones of the firm of Messrs. Aspinall,
w?ware apertures or steam-ways formed Jones and Co. Engineers, Smethwick. It
in and through the shaft through which
the steam passes alternately into and out is of that class of engines, in which the of the cylinder c, as regulated by the pistons radiate from the axis of the steam steam abutments or blockings shown in cylinder, and move to and fro within cer
fig. 3, and afterwards described. It will tain definite portions of that cylinder; springs are inserted in the arms which
be seen from the figures that coiled reciprocating in point of fact, but recipro act upon two tongues intended to keep cating within a circle, and having the ex the metallic packing steam-tight. No. 1 ternal appearance of rotary engines; pos
and No. 2 are two chambers into which the
cylinder is divided by the triangularlysessing, so far as regards diminution of
shaped abutments or blockings oo; v valve weight and size, all the advantages of ro
in the case of the cylinder with passages tary engines, but without (as alleged) zz2 in the adjoining blocking for the adany of that inequality of wear to which
mission of the steam from the induction all rotary engines, hitherto devised, are,
pipe (d) and its escape through the
eduction pipe (e). Figs. 5 and 6 are more or less, subject. The points in
separate views of the valve v; fig. 5 being which the Cambrian differs from others a vertical section, and fig. 6 a top plan. of its class, will be seen from the follow The action of the engine is as follows: ing description, which we extract from
Supposing the valve v, at starting, to be
in such a position, that both the passages the Specification of the patentee, and
z and 22 are open, the steam flows nearly in his own words; but we may here through from the induction pipe, into state generally, that the master feature the upper part of the chamber No. 1, of the invention seems to consist in caus
and through the piston shaft by the steam ing, by very simple and efficient means,
way w', into the lower part of the cham
ber No. 2, and thereby acis simulthe steam introduced into the cylinder, to taneously on both arms of the piston, but act simultaneously on both of two radial on opposite sides of these arms. As the pistons (on opposite sides, of course,) and arms of the piston are carried found by
the force of the steam, any steam or air in the greater equality and steadiness of
left in the lower portion of the chamber action, which is the necessary result.
No. 1, and upper portion of No. 2 is exFig. 1 is a front elevation of the prin- pelled through the piston steam way w?, cipal parts of the engine. Fig. 2 a the blocking passage z? and valve v into transverse sectional plan of the cylinder the eduction pipe e. And when the arms and piston, and fig. 3 a longitudinal sec have completed one oscillation, the position of the cylinder and piston. In fig. tion of the valve v, is at that instant, by 1 a represents the framing; b plumber the action of the eccentric gearing k, block for bearings of the piston-shaft; so changed as to cut off the communicac cylinder; d induction steam-pipe; e tion between the induction pipe d and eduction steam-pipe ; f crank on the end the passage z', but to open that passage of the piston-shaft; g rod connecting to the eduction pipe e, while on the other the crank with h the fly-wheel; i driving hand, and by the same change of position, shaft; j plumber-block for bearing of the passage za is shut off from the educthe working shaft; k eccentric gearing tion pipe, but opened 10 the induction for working the slide, or steam-valve. pipe, whereupon, the steain flowing in A separate view of the eccentric gearing upon the sides of the arms opposite to
those first acted upon through the pas an eminent London builder, which we sages z' and ro? produces the return stroke
have seen at work, and working aimiof the piston. And so the arms continue to oscillate as long as the supply of steam
tably, the consumption of which is stated is kept up.
to be less than 6lbs. per horse power per Instead of constructing the engine hour.* A careful trial ought, however, with two radial pistons, it may be made to be made to determine the actual with three or with four. The patentee amount of duty which the Cambrian en. describes fully the variations necessary gine is capable of performing in a given to be made in both cases ; but it may time, with the consumption of given suffice to quote his explanation of the
quantities of water and fuel; for until three-piston variety.
such trial is made, it is impossible to In fig. 4, is shown the mode of con institute any correct comparison between structing an oscillating engine with a three-armed piston, the said figure being
it and other engines, in respect of worka longitudinal section of the cylinder and ing cost. From the manner, however, piston, and their appendages: a is the in which the steam, as admitted into the piston shaft; b b the cylinder ; 8&g three cylinder, is at once turned to useful steam chambers, in the cylinder, formed by the triangular blockings as previously force that is wasted in overcoming the
account, and the small portion of its described; e e e the steam ways in and througb, the steam shaft; f f f screws,
friction of the machine, we are strongly coiled springs, and tongues similar to inclined to think that it will turn out to those before described, and intended to be one of the most economical yet proserve the like purposes.
duced. The engine, whether constructed with
We are here supposing that the entwo, three, or four radial arms, is one of gine is to be constructed and worked great simplicity; and the make no doubt,
in one or other of the ways before de. also of equal efficiency and durability. scribed, and these only; but Mr. Jones The parts are few, strong, and well ad has favoured us with another very beaujusted; the friction equally distributed
tiful modification of it, in which the steam and in amount inconsiderable. The lia
is worked expansively, and by the adopbility to wear is small; to derangement tion of which the consumption of fuel still less. The engine is described in the must be still farther materially reduced. specification as a high-pressure one ; but Of this we shall give a full description it is so, we apprehend, in the sense only at some future opportunity. that it is worked by the pressure instead The applicability of the Cambrian Enof by the condensation of steam; for evi gine to marine purposes is particularly dently it may be worked at almost any
deserving of notice ; since not only may pressure, from the 4 or 5lbs. at which
the steam power be applied directly low-pressure marine engines are ordina to the shaft of the paddle-wheels or rily worked, up to the 50 or 60lbs. com
other propellers, but the rate of speed mon with railway locomotives, and by may be regulated at pleasure by varying the addition of an air-pump and conden the diameter of the cylinder and number ser may be worked as a low pressure con of the radial arms. densing engine.
For locomotive purposes it offers also What the expenditure of fuel required
the great advantage of a direct transmisto work an engine of this description is, sion of the steam power from the piston remains still to be ascertained. Several have been already built, and there is one
Particulars of these engines and their perform
ances may be obtained from Mr. H. Crosley, c. of 16-horses power on the premises of
E., one of the proprietors of the Patent, -Cam. brian Office, 59, King Williain -street, City.
PATENT LAW CASE.
shaft to the crank or axle of the driving filter the water effectually, at the very wheel, by means of a single rod without low average price of sixpence per quarter couplings, and with a much less angle the bane of every thing that should be
one house with another. Monopolies are of connexion than is common with the generally advantageous; and in cases engines now in use.
where the article consumed is one of such importance for our populous metropolis, as water, ought not to be allowed. Í
have the honour of being acquainted with PURIFICATION OF THE WATER SUPPLY
the inventor, and feel a perfect convicOF THE METROPOLIS.
tion that what he affirms, he can do; Sir,- It is my wish to call the atten and also I am convinced that the public tion of the public to a subject in which will see, that if a machine of 5 feet square every one is materially concerned-I
can perform so much, the benefit of his mean the purity of the water to the me invention to the community at large can tropolis. I was much pleased with a let- hardly be overrated. I have no doubt, ter which I saw in the Mechanics' Ma. that the public, like myself, would wish gazine some days ago, in which the to see a plan so extraordinary and unique writer (Mr. Canham) adverts to this very immediately adopted. subject, and asks, if it be true, that a I have addressed this letter to you in mode of filtration has been discovered the hope that you will allow it to appear which would purify all the water used in in your excellent publication. London, why has it not been resorted to ? And am, Sir, This why, has called forth a wherefore, Your very obedient servant, in the shape of an answer from Mr.
ALPRED Smith. Stuckey hiniself, the inventor of the en June 28, 1842. gine alluded to in Mr. Canham's letter, Mr. Stuckey declares that he is "ready to execute his plan whenever the public
Vice Chancellor's Court. may desire to reap the benefit of it;"
June 21. he says also, that if this project has not been executed ere this, it arises from
Unsworth v. Bridget. the backwardness of the companies to
This was a motion on behalf of the plainadopt his invention.” Now, we know
tiff, who was the patentee at Derby of “an that some of them have expended much
improved tag for laces," for an injunction money in endeavouring to filter the water to restrain an alleged infringement of his inthey distribute ; but there are others,
vention by the defendant. The plaintiff who, alarmed by the enormous expen,
claimed as his invention, "a tag having a diture which would ensue if they adopted
tooth or burr, nib, catch, tongue, or other
projection attached to or formed on the infiltration, have gone on without filtering
side of the tag, either before or after the at all, having much regard for their own
lace was inserted, to prevent the lace from purse, but very little for the health
of being withdrawn from the tag at any time the thousands of people who every day by ordinary use, and to enable the user of drink the liquid they thus receive without the lace to put on a new tag at any time.” its first being purified. Some years ago, The tags manufactured and sold by the de. one company declared before a committee fendants were alleged to be in every respect appointed by government, that it would the same as those of the plaintiff's, and an cost them 30001. a year to filter their infringement in principle of the invention water; another, that it would cost them protected by the patent. The defendants 19,000l.per annum; and the ChelseaCom
alleged their entire ignorance that any patent pany have been obliged to levy 15 per
had ever been granted to the plaintiff for cent. upon the public since they adopted
what was termed an invention, but which filtration. Now, if all that is asserted by
was nothing more than an old mode of
fastening the lace in the tag by means of two Mr. Stuckey could be brought to bear,
dents or notches, upon a principle which had it appears to me, that in a matter of such
long been applied to the ferules of umbrellas paramount importance, the opinions, or and walking-sticks, and moreover, that the views, of a few interested companies defendants had made use of their contrivance ought not to outweigh the public benefit for a long time before the date of the plainespecially as the inventor proposes to tiff's patent, having taken it from a tag which