Phipps, G. H., elected member, 50.

Photogeny, description of the process, 58.

Photography as applicable to engineering, 57.-On photogeny, 58.-On the
daguerréotype, 58.

Pneumatic mirrors, 31.

Pole, W., elected associate, 45.

Pollock, F., Lieut. M.E., premium awarded to, 8.

Power, J. W., elected graduate, 41.

Premiums, Telford, awarded, 4.

Presents, particularly noticed, 11.—List of, 22.

President, Address of, to Annual General Meeting, 15.-Remarks on revolving
lenses in lighthouses, 25.-Ditto on the connexion between geology and civil
engineering, 36.-Ditto on American locomotive engines, 49.
Proceedings, minutes of, remarks on the issue of the, 3.

R.

Railway, Birmingham and Gloucester, intended use of American locomotive
engines on, 47.

curves, on setting out, 56.

description of a running gauge for ascertaining the parallelism of, 30,
- London and Birmingham, account of the performances of the locomo-
tive engines, during the year 1839, 33.

sleeper, specimen of white cedar, from Bathurst, New Brunswick, 44.
Railways, dynamometer for measuring the friction on, 52.

traversing screw-jack for, 60.

Ravenhill, R., elected associate, 31.

Rawnsley, H., elected graduate, 41.

Reclaiming land from the sea at Loughs Swilly and Foyle, 41.

Redman, J. B., premium awarded to, 8.

Reed, W., elected associate, 26.

Rendel. J. M., remarks on the percussive force of steam, 79.

Rennie, G., on the expansion of arches, 4.

Renton, H., on the improvement of navigable rivers, with a description of a

self-acting wasteboard at Naburn Lock, on the River Ouse, 26.

Richardson, R., elected graduate, 37.

Rickman, W., on earth falls at the Undercliff, in the Isle of Wight, 35.
River Ouse, description of a self-acting wasteboard at Naburn Lock, 26.
wall at New Houses of Parliament, 19.-Cost of, 19.

Rivers, on the improvement of navigable, 26.

Roads, description of a dynamometer for measuring the friction on, 52.-Ditto
of an instrument for describing the profile of, 56.-Ditto, ditto, 86.
Roofs, on a new mode of covering, with planking, 68.

Rumble, F., elected graduate, 18.

S.

Sale, T. H., Lieut., B.E., elected associate, 75.

Salkeld, J., elected graduate, 28.

Saunderson, G. S., elected associate, 68.

Screw-jack, description of a traversing, 60.
on an universal, 60.

Seaward, S., on the action of steam, 78.

Sea-water, action of, on an iron heel-post, 3.

Sewage of Westminster, 5.

Sherrard, J. C., elected member, 50.

Sinclair, R., elected associate, 22.

Sleepers, see Railway.

Sopwith, T., description of a model of the coal field of the Forest of Dean, 49.
Smith, G., Capt. R. N., elected associate, 18.

J., (Deanston,) description of a new system of lockage for canals, 53.

T. M., elected graduate, 37.

Steam-boilers, evaporation of water in, 9.-Description of an apparatus for
preventing the explosion of, 55.

engines, see Engines.

expansively, a theoretical calculation of the fuel saved by working, 3.
ships, table of proportions of large, and description of the India,' 50.
Steel, T., elected graduate, 33.

T.

Telford premiums awarded, 4—monument to, 11.

Teredo navalis, effects of the, on Kyanized timber, 69.—Ditto, ditto, exposed to
the action of sea-water, 84.—On the use of green-heart timber from Demerara,
84.-On metallic protectors for timber, 85.

Thames Tunnel, see Tunnel, Thames.

Transactions, on the publication of, in parts, 2.

Tunnel, Thames, account of the actual state of the works at, June 23, 1840, 85.
U.

Undercliff in the Isle of Wight, on earth falls at the, 35.

Ventilation, 5.

V.

W.

Waste-board at Naburn lock, on the river Ouse, 26.
Water, see Sea-water.

Wicksteed, T., remarks on the work done by the steam engine at Old Ford, 15.
-On the effect of the rate of working, 15.-Ditto on the duty of, 16.-Com-
parison of duty done by a Cornish engine, and an ordinary water-works
engine, 23.-Remarks on the duty of the Old Ford engine, &c., 78.—The
difference in duty of the Cornish double expansive engines, and of the single
pumping engines, 79.

Williams, C. W., premium awarded to, 6.-Description of the Nonsuch' iron
passage boat plying on the Limerick navigation, between that place and
Killaloe, 28.-On the properties and chemical constitution of coal, with re-
marks on the methods of increasing its calorific effect, and preventing the loss
which occurs during its combustion, 62.

Willis, P, W., Capt. B. E., elected associate, 22.

Woods, E., premium awarded to, 6.

G., on the experiments and results of Mr. Henwood, as to the power of
the Huel Towan Engine, 30.

Woods, J., elected graduate, 18.

York, J. O., elected associate, 75.

Y.

Young, Dr., present of library of the late, 11.

LONDON Printed by W. CLOWES and SONS, Stamford-street.

OF

CIVIL ENGINEERS.

MINUTES OF PROCEEDINGS,

SESSION 1841.

LONDON:

PUBLISHED BY THE INSTITUTION:

TO BE HAD OF

MESSRS. LONGMAN AND CO. AND ALL OTHER BOOKSELLERS.

LONDON:

PRINTED BY A. SWEETING, BARTLETT'S BUILDINGS, HOLBORN.

ADVERTISEMENT.

THE Institution is not, as a body, responsible for the facts and opinions advanced in the following abstracts of the papers read, and of the conversations which take place, at the Meetings of the Session.