Several Plates, in 8vo, price 12#.
18.
THE HARBOUR AND PORT OF LONDON^

SCIENTIFICALLY, COlfllEBCIALLY, .AMt> HI8T0&ICALLY DESCBIBED.
Containing Accounts of the History, Privileges, Functions, and Govern-
ment thereof; of its Extent, Divisions, and Jurisdictions, Municipal and
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other Engineering Works ; Tidal and other Observations, and every
othemecessary information relative thereto, accompanied by Charts of
the| Pojrt and its Dependencies, its Shoals and Soundings, surveyed by
oroer of the Port of London Improvement Committee ; Inans of Docks,
Gates, Piers, Swivel Bridges, Methods of Mooring Vessels, &c., as di-
rected by the Corporation By-Laws, &c., &c., &c.
By JAMES ELMES,
Architect and Civil Engineer, Surveyor of the Port of London.
22 Plates, large folio, bound, price II, U.
19.
NAVAL ARCHITECTURE;

Or, the RUDIMENTS and RULES of SHIP- BUILDING : exempli.
ied in a SERIES of DRAUGHTS and PLANS; with Observations

tending to the further Improvement of that Important Art.
By MARMADUKE STALKARTT.
Third Edition. Folio, with a large Atlas of Plates. Price 4/. 4*.
20.
A TREATISE ON RIVERS AND TORRENTS,

With the METHOD of REGULATING their COURSEmid CHAN-
NELS. By Paul Fkuo, Member of numerous Academies. To which
is added, An ESSAY on NAVIGABLE CANALS, by the same.
Translated by M^'or- General JOHN G AUSTIN.
4to, with Plates. Price 15*.
Digitized by VjOOQIC



PUBLIBHBD BT JOHN WBALB, OF LONDON.
21.
OBSERVATIONS

ON UMES AND CALiCAREOtJS CEMENTS,

As applied to the Fonnation of Mortars, Stuccoes, and Concrete ; toge-
ther with Rules, deduced from Numerous Experiments, for making an
Artificial Water Cement, similar in its Properties, andeoualin Efficiency,
to the best Natural English Cements, improperly styled Roman Cements.
By Colonel PASLEY, Royal Engineers, C.B., F.R.S^ &c^ &c.
In 8yo, with numerous Wood-Cuts, price 14«.
22.
CEMENTS.
