Our Inbentors' Column.

We give here, week by week, a terse description of such of the many inventions as we think may be of use to our readers. Where it is possible, the number of the patent is quoted, to enable those who desire fuller information to procure the specification from the Patent Office in Cursitor-street, Chancery-lane. We shall, generally speaking, confine ourselves to the more recent inventions; but it often happens that an article comes under our notice which, although not quite novel, is worthy of mention for its utility and ingenuity. In such a case we should not hesitate to refer our readers to it. And while we thus increase the interest of our pages, we at the same time assist the inventors by giving greater publicity to their inventions (KNOWLEDGE being a popular magazine) than is accorded by the most excellent trade journals.

The machine (Fig. 1) consists of a coffee-pot on a stand, upon which, and beneath the coffee-pot, a coffee-roaster (Fig. 3) revolves in various directions by a novel eccentric motion, upwards, downwards, and from side to side, and to which roaster a coffee-mill is attached. The lamp or burner beneath it boils the necessary water for infusion, and at the same time roasts the berries which, as soon as roasted, are automatically emptied into a hopper, where it is ground by the mill attached to the roaster. Thus the whole process of roasting the green coffee-berries, grinding, and infusing the same is simultaneously performed within about fifteen minutes.

Our Chess Column.

BY MEPHISTO.

BRITISH CHESS ASSOCIATION.

N Friday last the series of consultation games between five gets and £2. Each set plays with the other, therefore each party will have to play three games. The following are the names of the consulting players, each set, according to the conditions, consisting of a first-class player and an amateur :Gunsberg and Hunter, Mason and Donnisthorpe, Bird and Hewitt, MacDonnell and Pollock. Mason and Donnisthorpe adopted the French defence against Bird and Hewitt, and succeeded in gaining a Pawn in the opening. The end-game increased their advantage, and they won.

Gunsberg and Hunter played the centre gambit against MacDonnell and Pollock. This game soon assumed an open and interesting character, as may be seen from the opening moves given here:

The game extended to seventy moves, and was not finished till Saturday. White in the end game remained with a Kt against a B and a passed P on the KR file, and ultimately won.

An interesting event-the Solution Tourney-was decided on Saturday. The Problems, a four-mover and a three-mover, given below, were submitted on printed diagrams to the competitors, who had to solve them without the use of board and men. Mr. Gunsberg was the first to hand in complete solution of the four-mover, and he therefore took first prize of two guineas; Mr. Bird took the second prize. Mr. Herbert Jacobs took the prize for the best and most rapid solution of the three-mover. Monday, the 29th ult., the chief event of the Tournament was decided. Gunsberg defeated MacDonnell in the game given herewith. He next played Mills, but through an oversight in the ending the latter was enabled to draw. However, Hewitt drew with Bird at the same time, which again brought the score of the leading players to their former relative position, namely, Bird, 10 out of 13 games played, Gunsberg, 12 out of 13, Gunsberg needing but one more game to win, as Bird's highest possible would be 12. Guest, late in the evening, made up the deficiency by losing the adjourned ending to Gunsberg, who, therefore, with a score of 13 out of 14, has practically secured, the first prize. He may, however, still increase his score by another win.

SOLUTION TOURNEYS. Motto "Sat Sapienti."

(From the "CHESS-MONTHLY" Problem Tournament.")

Fig 3.

The coffee-pot is so arranged that, if required, it may be easily removed from its stand. The stand, also, when the coffee-pot is removed, will roast and grind the coffee simultaneously, and the ground coffee might then be used for any other pot. Either a gasburner (where this is convenient) may be used, or a spirit-lamp; those in use by the inventor are of a peculiar construction, for whilst the gas-burner may be so regulated as to heat the roaster and boiler, either together or separately, the spirit-lamp, by a simple contrivance, may be regulated in every necessary direction, and will automatically be extinguished under the roaster when the berries are roasted, whilst it still keeps the water boiling, and will also automatically be totally extinguished when the infusion is completed. The machine is exhibited in the Inventions Exhibition.

WHITE.

the French Defence, the game proceeding evenly, till, in the middle part of the game, MacDonnell and Pollock exposed their King's side by an advance of the KKtP. Mason took advantage of this weakness with his well-known judgment and ability, and again came off victorious. Gunsberg and Hunter began a game against Bird and Hewitt on Saturday. The former players got a disadvantage in the developing moves of the French Defence, but the game had to be adjourned. The game was finished on Tuesday, and Bird and his partner won.

Complete score of the B. C. A. Tournament up to Tuesday eleven o'clock p.m., inclusive:

(a) Any developing move would be more in conformity with the defence in close games.

(b) Owing to his previous move, Black is now committed to advance this Pawn.

(c) White should have proceeded immediately to break the adverse Pawns, with 7. P to QKt3. If 7. ......P to Kt 4, then 8. P to QR4. If 7. ......Px P, then 8. RP x P, with an open Rook's file and united Pawns.

(d) 8. P to QKt3 would still be advantageous.

(e) Undoubtedly the cause of White's subsequent troubles. (f) To prevent 12. ....P to Kt5; but the remedy is worse than the evil. The simple way would have been 12. B to B3, followed by 13. Kt to K2, &c.

(g) The game being once compromised on the Queen's side, and an attack threatened on the King's wing as well, White ought to have devoted his attention to the more important defence of the King's position.

(h) 16. Q to K2 was preferable.

G. A. MacDonnell.

WHITE.

WHITE.

BLACK.

WALNUT.

STAINS FOR WOOD FLOORS.

Applied to Ordinary Deal gives an exact imitation

of Old Polished Oak Floors.

IMMENSE SAVING IN THEIR USE,

As no size or varnish is required, the application of one coat only taking the place of two coats of size, one of stain, and one of varnish by the ordinary process.

INVALUABLE FOR THE BORDERS OF ROOMS, As they do not scratch like ordinary varnished surfaces, and the cost of staining would be about 1id. a square yard, as against 4s. or 5s, per square yard for carpet.

GREAT PREVENTIVE TO CONTAGIOUS DISEASES. Dr. Koch, in a recent lecture on Cholera, stated that polishing and dry-rubbing floors was a greater protection than washing floors. Prices, 10s. 6d. per gallon; 6s. 6d. per half-gallon; 48. per quart. Half a gallon will do a three-foot border round a large room.

TORBAY PAINT COMPANY, 26, 27, and 28, BILLITER STREET, LONDON, E.C.

ACCIDENTS

WILLIAM J. VIAN, Secretary.

ODELS OF EVERY DESCRIPTION for PATENTEES and others made to scale or drawing, in wood or metal. Estimates given. Best

K.

BURTON, C.E., forwarded by post on receipt of seven stamps.

NEW and SECOND-HAND Microscopes, Telescopes, Mathematical Cases, Opera Glasses, Spectacles, and every description of Optical and Scientific Goods. Catalogue three stamps.

WALTER LAWLEY,

78, Farringdon St., near Ludgate Circus,

LONDON.

Established upwards of a Century.

BRITISH WILD FLOWERS.

MESSER'S BR Rapid Method of Studying Wild

Flowers by Analytical Illustrations. "This original and striking work should be in the hands of every student."-Schoolmaster. Cloth, 10s. 6d. DIPROSE & BATEMAN, Sheffield-street, W.C.

SAMPLES AND PRICE LISTS POST FREE.

workmanship guaranteed, LUCAS & DAVIES, 21, CAMBRIC 2/5

Works by E. D. GIRDLESTONE, B.A., &c. OUR DEBT AND DUTY TO THE SOIL, Or, the Poetry and Philosophy of Sewage Utilisation. 12mo. 66 pp. Price 6d.

"A most clearly-written, instructive, and useful little pamphlet."-KNOWLEDGE, Feb. 6, 1885, p. 106. VIVISECTION: In its Scientific, Religious, and Moral Aspects. 8vo., 68 pp. Price 1s. Apply to the Author, 17, Goldney-rd. Clifton, Bristol. A powerful plea by a competent scholar, an able reasoner, and a fair critic."-Oldham Chronicle.

Now ready, Second Edition, demy 8vo., price 4s., by post 4s, 5d.

HE NOMENCLATURE OF DISEASES.

THE Drawn up by a Joint Committee appointed by

the Royal College of Physicians of London. HARRISON & SONS, 59, Pall Mall, London, S.W.

INSTANTAN (Ladies or Gentlemen),

NSTANTANEOUS MEMORY.-Wanted,

Postal Class to learn Loisette's system. Age and distance immaterial. Cheap rate for Classes-only one guinea each. Five lessons. Pamphlet with particufars free.-CAMPBELL, 29, James-street, Paisley.

Crown 8vo., cloth, price 2s. 6d.; post free, 2s. 8d. HE YOUTH'S BUSINESS GUIDE. By EXPERIENTIA. A Practical Manual for those entering Life.

THE

"A sensible little work. . . . It supplies a good deal of information."-Athenæum.

....

"A very wise and practical guide to lads who are entering upon the real business of life.. Full of sound morality as well as sound sense."-Society. "A vast amount of information about the usages of commercial life, &c., is here gathered together."Newcastle Weekly Chronicle.

London; WYMAN & SONS, 75, Gt. Queen st., W.C.

Guinea a Box for Bilious and Nervous Disorders, such Wind and Pain in the Stomach, Sick Headache, Giddiness, Fullness and Swelling after Meals, Dizziness, and Drowsiness, Cold Chills, Flushings of Heat, Loss of Appetite, Shortness of Breath, Costiveness, Scurvy, Blotches on the Skin, Disturbed Sleep, Frightful Dreams and all NerVous and Trembling Sensations, &c. The first dose will give relief in twenty minutes. This is no fiction, for they have done it in thousands of cases. Every sufferer is earnestly invited to try one box of these Pills and they will be acknowledged to be WORTH A GUINEA A BOX.

HELENS

For females of all ages these pills are invaluable, as a few doses of them carry off all gross humours, open all obstructions, and bring about all that is required. No female should be without them. There is no medicine to be found to equal BEECHAM'S PILLS for removing any obstruction or irregularity of the system. If taken according to the directions given with each box they will soon restore females of all ages to sound and robust health.

They

For a weak stomach, impaired digestion, and all disorders of the liver, they act like "MAGIC," and a few doses will be found to work wonders upon the most important organs of the human machine. strengthen the whole muscular system, restore the long lost complexion, bring back the keen edge of appetite, and arouse into action with the ROSEBUD of health the whole physical energy of the human frame. These are "FACTS" admitted by thousands embracing all classes of society; and one of the best guarantees to the nervous and debilitated is, Beecham's Pills have the largest sale of any patent medicine in the world. CAUTION.-The public are requested to notice that the words "BEECHAM'S PILLS, St. Helens," are on the Government Stamp affixed to each box of the Pills. If not on, they are a forgery.

Prepared only and sold wholesale and retail by the proprietor, T. BEECHAM, Chemist, St. Helens, Lancashire, in boxes at 1s. 1td. and 2s. 9d. each. Sent post free from the proprietor for 15 or 36 stamps.-Sold by all Druggists and Patent Medicine Dealers in the Kingdom.

N.B.-Full directions are given with each box.

£20.-TOBACCONISTS COMMENC

ING.-An Illustrated Guide (110 pages) how to open respectably from £20 to £2,000. 3 Stamps. -H.MYERS & Co., Cigar and Tobacco Merchants, 109, Euston-road, London. Telephone No. 7541.