AIR-ENGINE; on the use of heated air as a motive power, 312.-Stirling's and
Parkinson and Crosley's air-engines, 312.-Lieut. Ericsson's caloric engine, 312.
-Stirling's improvements, in 1840, 313.-Ericsson's ditto, in 1851, 313.-Dif-
ference in construction and arrangement of their two engines, 313.-Caloric
in its mechanical aspect, 314.—The true measure of force, 318.—Performances
of the caloric engine, 320.-How to utilize, to the greatest extent, a motive force
generated by heat, 321.-Office of the 'regenerator,' 321.-Economy of fuel, 323.
-Perkins' 'generator,' 323.
Airy, Professor, remarks as to origin of the Chesil Bank, 554.
Andrews, J., vote of thanks to, for his portrait of Sir John Rennie, 111.
Annual General Meeting, 110.
Report, 113.-Ditto read and ordered to be printed, 110.-Appendix to:
memoirs, 126.
Armstrong, W. G., remarks as to whether a given quantity of heat applied to
vaporize water, will produce a greater or less expansive effect than when it is
applied to the heating of air, 344.-Ditto as to action of regenerator' in Erics-
son's caloric engine, 351, 597.-On the concussion of pump-valves, 450.-Re-
marks on ditto, 456.
Arnott, Neil, M.D., and Page, T., C.E., extract from reports by, on the prevalence
of disease at Croydon, and as to the plan of sewerage, 44.
Babbage, C., remarks as to form assumed by pebbles under water, 547.
Bagot, E., elected associate, 206.
Baily, E. H., R.A., vote of thanks to, for bust of Mr. R. Stephenson, M.P., 111.
Barnes, J., memoir of, 140.
Barrett, J., appointed one of the scrutineers of the ballot for Council, 110.—Vote
of thanks to, 112.-On the construction of fire-proof buildings, 244.-Remarks
as to fusing of cast-iron columns, in extensive fires, 267.-Ditto as to compara-
tive weights of floors of different constructions, 267.-Ditto as to expansion of
iron, 268.-Ditto as to application of his system of fire-proof construction to
the covering of the reservoirs of water-works, 269.-Ditto as to cost of floors on
his system, 271.
Barton, J., elected member, 352.
Bateman, J. F., remarks as to effect of change at Manchester, from the intermit-
tent to the constant system of water supply, 503.-Ditto as to fire arrangements
at Manchester, 503.-Ditto as to amount of domestic consumption of water, 503.
Bazalgette, J. W., extracts from report of, to the Metropolitan Commissioners of
Sewers, as to tubular system of drainage, 61.-Remarks as to sizes of sewers,
and as to materials to be employed in their construction, 66.-Ditto as to prin-
ciple of back drainage by pipes, 68.—Ditto as to use of pottery pipes for house-
drains, 68.
Baylis, B., remarks as to system of egg-shaped brick sewers at Chester, 82.
Bethell, J., remarks as to Kyan, Burnett, Margary, and Payne's processes for pre-
serving timber, 223.-Ditto as to process of creosoting for ditto, 225, 234.-Ditto
as to average quantity of creosote absorbed by timber, 226.-Ditto as to timber
most suitable for creosoting, 226.-Ditto as to manner of performing the process of
creosoting, 227.—Ditto as to distilling coal-tar obtained from the gas-works, 228.
Bidder, G. P., remarks as to drainage of towns, and as to use of earthenware-pipe
drains or of brick sewers, 88.-Ditto as to proposals for utilizing the sewage
matter of the metropolis, 89.-Ditto as to Mr. Wicksteed's plan for separating
the fertilizing matter, in a solid state, from the sewage water, 89.-Ditto as to
protecting timber from the worm, 241.-Ditto as to railway sleepers, and means
for preserving them, 241.-Ditto as to Ericsson's caloric engine, and as to action
of 'regenerator,' 347, 350.—Ditto as to actual working results of locomotive
engines compared with deductions from Mr. D. K. Clark's formula, 420, 427.—
Ditto that no advantages result from the extension of the fire-box, and the re-
duction of the length of the tubes, 422.-Ditto as to requisites for the best form
of locomotive engine boilers, 422.-Ditto as to the Chesil Bank, 547.-Ditto as
to position of different-sized pebbles on a beach, 548.-Ditto as to conditions
under which a harbour can be maintained where there is a travelling beach, and
as to works at Lowestoft, 548.-Ditto as to the relative advantages of the Warren
girder and girders constructed on other principles, 608.
Bird, W., remarks as to cheap Scotch iron, 378.
Blackwell, T. E., remarks as to difference in physical conditions of tidal rivers,
14.-Ditto as to treatment of rivers, 14.
remarks as to the manufacture of iron, 376.
Board of Health, General, remarks as to proceedings of the, 69, 74.
Boilers, incrustation in, application of muriate of ammonia to prevent, remarks
of locomotive engines, experimental investigation of the principles of the,
382.-Essential characteristics of a good and efficient locomotive, 383.-Physio-
logical conditions of excellence in the boiler, 384.-Results of experiments on
coals suited to the steam navy, 384.-Ditto of laboratory experiments on the
evaporative power of coal, 384.-Ditto on the combustion of coke in locomotive
boilers, 385.-Evaporating performance of coke, in suitably-proportioned boilers,
386.-Relative importance of the heating-surface of the fire-box and that of the
tubes, 387.-Table I., performances of locomotives of various proportions and
dimensions, to illustrate the mutual relation of grate-area, heating-surface, and
economical evaporative power, 390.-Advantage of the extension of the heating
surface, 392.-Inferior economy of evaporation of the engines of the Great
Western railway, 393.-Comparison of the Great Western engines amongst
themselves, 394.-Results of Mr. D. K. Clark's experiments, 395.-Influence of
extension upon the value of heating-surface, dependent upon the ratio of the
heating-surface to the grate-area, 396.-Concentrated, rapid combustion the true
practice for boilers, 398.-Formula embracing the three elements, grate area,
heating-surface, and economical evaporative power, 399.-Diagram to show the
rate of economical consumption of water, per hour, per foot of grate, for given
surface ratios, 400.-Rules for finding the rate of consumption per square foot of
grate-area, and per square foot of heating-surface, and rate of total consumption,
401.-Rule for finding the heating-surface necessary to maintain a given hourly
consumption of water economically, with a given area of grate, 401.-Ditto the
grate-area suitable for maintaining ditto ditto with a given heating surface, 401.—
Conclusions as to the relations between heating-surface, grate-area, and econo-
mical evaporative power, 402.-Table II., economical evaporative power of
locomotive boilers, for giving ratios of heating-surfaces, 404.-Table III., of
relative grate-areas, heating-surfaces, and economical evaporative powers of
locomotive boilers; deduced from practice, 404.-Rule for finding the clearance
between the tubes, suitable for economical evaporation, for a given number of
tubes, 405.-Table IV., of the clearance between the tubes suitable for econo-
mical evaporation, at the rate of 9 lbs. water per lb. of coke, 405.-Rule for find-
ing the relation of the diameter of a boiler-barrel and the number of tubes which
can be received by it, 406.- Ditto the diameter of barrel suited to accommo-
date a given number of tubes at a given pitch, 407.-Ditto the greatest number
of tubes which should be placed in a barrel of given diameter, and at a given
pitch, 407.-Table V., of the diameter of barrel practically suitable for given
numbers of 2-inch tubes, 407.-Examples of locomotive boilers tested by prin-
ciples enunciated; the 'Hecla,' 408.-Ditto, the 'Great Britain,' 408.-Ditto,
the 'Liverpool,' on Crampton's system, 409.-Ditto, Mr. McConnell's new
engine, 409.-Conclusions arrived at, as to the blast-pipe, and its relations to
the engine and the boiler, 410.
Boilers of locomotive engines, on the, and on fuels, 432.-Different steaming powers
of different fuels, 433.-Standard value of 1 lb. of various fuels, 434.- Results
obtained from differently-formed boilers, and with different fuels, 434.-Table
of the relative heating-surface and evaporative power of various locomotive and
other boilers, 436.-Details of Mr. McConnell's new engine, and of the results
obtained, 436.-As to the position of the tubes, 437.-Gauge trials, 439.-
Rapidity of evaporation as essential as economy of fuel, 439.-Table of the
draughts of steam, and the time allowed for the absorption of the heat, for dif-
ferent-sized driving-wheels, and different velocities, 440.-Wear of the tubes,
440.-Table of the results of some comparative trials with different engines, 441.
-Power of a cubic foot of water, as steam of different temperatures, 445.-Pro-
portion of tubular and fire-box surface may be varied, 446.-First locomotive
constructed at Paris from the designs of M. Cugnot, in 1769-70, 446.--Safe
strength of boilers, 446.-Cases of passenger-engines, or trains, running off the
rails, 448.-Conclusions, 448.
Boutigny (d'Evreux), P. H., elected associate, 109.-Remarks as to the decay of
timber, and means of preventing it, 239.
Boyd, J., elected associate, 109.
Braidwood, J., remarks as to the construction of fire-proof buildings, 266.
Braithwaite, F., remarks as to first trials of Ericsson's caloric engine, in England,
Bremner, D., memoir of, 148.
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