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table. We approve more of the table of proportional logarithms to twenty-four hours by Lax and others, which gives the answer at one inspection.

Tables XIII. gives the correction to be added to the sun's altitude, and combines the dip, refraction, parallax and semi-diameter. We confess, however, we prefer that these corrections should not be slumped together in this way, and have always made it a rule to teach our young friends to shun such tables, and take out each correction separately.

Table XVI. has been re-computed, expressly for this work, from the sun's horizontal parallex taken at 8.768.

Table XVII. gives Mr Ivory's refractions, but it has been considerably extended, and, as we think, improved, by having the refractions and their logarithms to every 10' from the zenith. to the horizon.

The addition of proportional parts to the three succeeding tables for the corrections due to the thermometer and barometer is very praiseworthy, as it materially facilitates their applica

tion.

We observe, that a column has been added to table XXVII. of Equations for second differences, by which they are adapted to the sun's declination; and although, in ordinary cases, no correction for the irregularity of the sun's motion is necessary, it does become of consequence in very accurate observations for Patitude made near the Solstices.

Table LIX. gives the logarithms of the numbers in Rossel's well known table for correcting the longitudes determined by chronometer, when the rate has been found to have varied. Everything which contributes to the accuracy of such determinations is valuable; and we think Mr Galbraith, by dwelling so frequently on these minute corrections, does essential service to science, by making observers aware how easily and safely they may be taken into account.

Table LXIII. contains, in a compendious shape, many extremely useful numbers, with their logarithms and comple

ments.

Tables LXVI. and LXVII, for the third and fourth differences of the moon's motion, are by Mr Henderson, a very ingenious mathematician in Edinburgh.

The last table, for finding the latitude by the Polar Star, is by Captain Kater, and is sufficiently accurate for sea purposes. We agree, however, with that observer, in thinking the direct method the most satisfactory one.

List of Patents granted in England, from 8th December 1826 to 16th January 1827.

1827,

Dec. 8. To THOMAS MACHELL of Berners Street, Oxford Street, London, surgeon, for improvements on apparatus applicable to the burning of oil, &c.

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TO ROBERT DICKINSON of New Park Street, Southwark, for an invention for the formation, coating and covering of vessels or packages for containing, preserving, or conveying goods, whether liquid or solid, &c.

13. To Charles PEARSON of Greenwich, Esq. RICHARD WILTY of Hanley, Staffordshire, engineer, and WILLIAM GILLMAN of Whitechapel, engineer, for a method of applying heat to certain useful purposes.

TO CHARLES HARSLEBEN of Great Ormond Street, Esq. for his ma-
chinery for facilitating the working of mines, and extraction of
diamonds, &c. gold, silver, &c. from the ore, the earth, or the
sand; applicable likewise to other purposes.

TO JOHN COSTIGNI of Collon, in the county of Louth, civil engi-
neer, for improvements in steam machinery or apparatus.
TO PETER MACKAY of Great Union Street, Borough Road, for im-
provements, by which the names of streets and other inscriptions
will be rendered more durable and conspicuous.

18. TO WILLIAM JOHNSTON of Droitwich, for improvements in the
mode of process and form of apparatus, for the manufacturing of
salt, and other purposes.

TO MAURICE DE JOUGH of Warrington, cotton-spinner, for improvements in machinery or apparatus for preparing rovings, and for spinning and winding fibrous substances.

20. TO CHARLES HARSLEBEN, of Great Ormond Street, Esq. for improvements in building ships and other vessels, applicable to va rious purposes for propelling the same.

TO THOMAS QUARRILL, of Peter's Hill, London, for improvements
in the manufacture of lamps.

TO WILLIAM KINGSTON, master mill-wright, of Port
yard, and GEORGE STEBBING,, mathematical in
of High Street, Portsmouth, for improvements
apparatus for the more readily or certainly ascer
and stability of ships or other vessels.

Dock.

!

Dec. 20. TO MELVIL WILSON, of Warnford Court, Throgmorton Street, for improvements in machinery for cleaning rice.

TO CHARLES SCIDLER, of No. 1. Crawford Street, Portman Square, for a method of drawing water out of mines, wells, pits, and other places.

TO FREDERICK ANDREWS, of Stanford Rivers, Essex, for improvements in the construction of carriages, and in the engines or machinery to propel the same, to be operated upon by steam or other suitable power.

TO CHARLES RANDOM, Baron de Barenza, of Target Cottage, Kentish Town, for improvements in gunpowder-flasks, powder-horns, or other utensils of different shapes, such as are used for carrying gunpowder, in order to load therefrom guns, pistols, and other fire-arms. 21. TO VALENTINE BARTHOLOMEW, of Great Marlborough Street, for his improvement in shades for lamps, &c.

TO JOHN GREGORY HANCOCK, of Birmingham, plated beading and canister hinge manufacturer, for a new elastic rod for umbrellas and other like purposes.

22. To

THOMAS, of Vall Grove, Chelsea, Esq. for his process of rendering boots, shoes, and other articles, water-proof.

TO DAVID REDMUND, of Greek Street, Soho, engineer, for improvements in the construction and manufacture of hinges.

29. TO ELIJAH GALLOWAY, of the London Road, Surrey, engineer, for 1827,

a rotatory steam-engine.

Jan. 9. To JOHN WHITING, of Ipswich, architect, for improvements in window sashes and frames.

11. TO JAMES FRAZER, of Houndsditch, engineer, for an improved method of constructing capstans and windlasses.

TO JAMES FRAZER, of Houndsditch, engineer, for an improved me-
thod of constructing boilers for steam-engines.

15. TO WILLIAM WILMOT HALL, of Baltimore, America, at present
residing in Westminster, for an engine for mooring and propell-
ing ships, boats, carriages, mills, and machinery of every kind.
TO WILLIAM HOBSON, of Markfield, Stamford Hill, Middlesex, for
an improved method of paving streets, lanes, roads, and carriage-
ways in general.

TO JAMES NEVILLE, of New Walk, Shad-Thames, engineer, for an
improved carriage, to be worked or propelled by means of steam.
TO WILLIAM MASON, of Castle Street East, Oxford Market, West-
minster, patent axletree-maker, for improvements in the con-
struction of those axletrees and boxes for carriages known by the
names of mail-axletrees and boxes.

16. TO ROBERT COPELAND, of Wilmington Square, Middlesex, for improvements on a patent already obtained by him for combinations of apparatus for gaining power.

Feb. 1. To ROBERT BARLOW of Jubilee Place, Chelsea, for a new combination of machinery, or new motion for superseding the necessity of

the ordinary crank in steam-engines, and for other purposes where

power is required.

Feb. 1. To JOHN FREDERICK DANIELL, Esq. of Gower Street, Bedford Square, for improvements in the manufacture of gas.

TO JOHN OLDHAM of Dublin, for improvements in the construction of wheels for driving machinery impelled by water or wind, also applicable to propelling boats, &c.

TO RALPH HINDMARSH of Newcastle-upon-Tyne, master-mariner, for an improvement in the construction of capstans and windlasses.

TO ROBERT STIRLING, Clerk, minister of Galston, in Ayrshire, and JAMES STIRLING, engineer, of Glasgow, for improvements in air-engines for moving of machinery.

TO JOHN WHITE of Southampton, engineer and iron-founder, for improvements in the construction of pistons or buckets for pumps. To SAMUEL PARKER, Argyle Place, Argyle Street, Westminster, bronzist, for improvements in the construction of lamps.

3. TO ANTOINE Adolphe Marcellin MarbeoT, of No. 38. Norfolk Street, Strand, for improved machinery for working or cutting wood into all kinds of mouldings, rebates, cornices, or any sort of fluted work.

List of Patents granted in Scotland from 13th December 1826 to 24th February 1827.

1826,

Dec. 13. TO JAMES Yandell of Broad Wall, in the parish of Christ Church, Surrey, private person, for "certain improvements in apparatus for cooling and heating fluids."

14. TO HENRY CHARLES LACY of Manchester, in the county palatine of Lancaster, coach-master, for " a new apparatus on which to suspend carriage bodies."

TO THOMAS MACHELL of Berners Street, Oxford Street, in the county of Middlesex, surgeon, for "certain improvements on apparatus applicable to the burning of oil and other inflammable substances."

20. TO DOMINIQUE PIERRE DEURBROUCK of Leicester Square, in the county of Middlesex, Esq. for an invention communicated to him by a foreigner residing abroad," of an apparatus adapted to cool wort or must previous to its being set to undergo the process of fermentation, and also for the purpose of condensing the steam arising from stills during the process of distillation."

29. To Count ADOLPHE EUGINE DE ROSEN, of Prince's Street, Cavendish Square, in the county of Middlesex, for an invention communicated to him by a foreigner residing abroad,“ of a new engine for communicating power to answer the purposes of a steamengine."

1827,

TO WILLIAM BUSH of Broad Street, in the city of London. Esq. for "certain improvements in propelling boats and ships, and other vessels or floating bodies."

Jan. 15. TO HENRY RICHARDSON FANSHAWE of Addle Street, in the city of London, silk-embosser, for "an improved winding machine." TO MOSE POOLE of the Patent-Office, Lincoln's Inn, in the county of Middlesex, gentleman, for an invention communicated to him by a foreigner residing abroad," of certain improvements in the machines used for carding, slubbing, slivering, roving, or spinning wool, cotton, waste silk, short staples, hemp, or flax, or any other fibrous materials, or mixtures thereof."

Feb. 2. To JOHN FREDERICK DANIELL of Gower Street, Bedford Square, in the county of Middlesex, Esq. for "certain improvements in the manufacture of gas for the purposes of illumination.” TO MAURICE DE JONGH of Warrington, cotton-spinner, for " certain improvements in machinery or apparatus for preparing rovings, and for spinning, twisting, and twining fibrous substances." 7. TO JAMES FRASER of Houndsditch, in the city of London, engineer, for a new method of constructing steam-boilers."

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13. TO ROBERT STIRLING, minister of Galston, in the county of Ayr, North Britain, and JAMES STIRLING, engineer in Glasgow, in the county of Lanark, North Britain, for "certain improvements in air-engines, for the moving of machinery.”

16. TO JAMES FRASER of Houndsditch, in the city of London, for " an improved method of constructing capstans and windlasses."

24. TO ROBERT BUSH and WILLIAM KING WESTLEY of Leeds, in the county of York, flax-spinners, for "certain improvements in machinery for heckling or dressing, and for breaking, scutching, or cleaning hemp, flax, or fibrous substances."

LIST OF PLATES.

PLATE I. Fig. 1-5. Little Andaman Island, &c.

6-9. Awn of the Seedvessel of Stipa pennata.

10. Anatina villosiuscula.

11. Venerupis Nucleus.

II. Illustrations of Dr Grant's Observations on Spongia.
III. Fig. 1. Eruption of American Lakes.

2. Libellulite of Solenhoffen.

IV. Illustrations of Mr Scoresby's observations on Rainbows.
V. Explanatory of Mr Barlow's view of Magnetism.

Memorandum. Want of room has obliged us to delay several Articles and Notices of New Publications, and also to limit more than usual the Scientific Intelligence.

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