102 



THE CIVIL ENGINEER AND ARCHITECTS JOURNAL. 



[JUNi 



measurement" ! Only think. Suppose your office is in want of a devil, you 



advertise for one, liis niotlier applies, (if devils have mothers,) you want to 

 know his heiglit. Tlie lady ri'|>lic!,, •' Four feet six." Vou ohject to this as 

 hrine too small, when you are met with the uflcr Ihoui/hl, that that is his 

 height as far as his shoulders oidy : hut, then, he is a //eni? taller still, if you 

 mean to include tli.it most nniinimrtant portion of his corpus. Ofsneha 

 nature was our surveyor's answer to Messrs. Cunningham and Holme's ob- 

 jection. Tlie jiorticob hein^, 1 need scarcely say, " the ven heads anil fronts " 

 of the huilding. 



In conclusion, Sir, 1 may add, that my only motive, in this Icltcr, is, my 

 duty as a hurgess, and a love of having ray visual organs gratified by beauti- 

 fid architectural objects, in my walks through our flourishing good old town. 

 I <im, an old correspondent. 



One of thk People. 

 T.lrorpool, Mni/ \lt/i. 



KXTR.\fTS FRO.M 'I'lll'; LOG OF TIIF. ARCflliNTEDKS. 



rirxl Dull. April 21.— Light breezes from Norlhward. A.M. 7 .lO, left Do- 

 ver Roads with 1 1. M.S. Ariel for falais. Arehimedes rather leading. At 8-45 

 liMlh vessi'l.s made sail, with lishl »ind from .S.W. At 10, Ariel one mie 

 aslem. and Kiiil shortened. l(J-2a, abreast of Calais — beatmg Ariel by six 

 minutes- 



Srroud Dull, .-//ir;/ 22.— A.M. 4' 10. left Calais wilh the Ariel— Hind W.S.AV. 

 and fresher than on the preceding day: Ariel rather gaining, but on sail 

 being .set on I, iilh vessels, Arehimedes came in first by iive minutes. Close 

 hauled the wlirde distance, and rate with sail and steam %%. Time of arrival 

 in Dover Roads, fi'42 A.M. A.M. 8-.S0. the same morning, left Dover Roads 

 with H.M. Packet Beaver— light winds from S.M'. 920. one length a-head 

 of rjeaver. y'l.'). three lengths a-head of Beaver — rate 9^ knots — engine 

 making 27 strokes per minute — barometer 20 inches. 10'45, 2i ealdes length 

 a-heaii of Beaver. IPSO. Beaver made sail. Noon — light breezes from ,S.W. 

 Beaver two-thirds of a mile astern. At 4o3 P.M. arrived in Ostcud Roads, 

 hetiting Beaver by four minutes. 



Tlilril Dfiji. .■Ijiril 23. — To|)masts struck, and galTs down, » ind AV. — A.M. 9. 

 Pollowed in Beaver's wake through the Channel. At 10, going 95 knots — 

 Beaver a-bead one-third of a mile. 1P30. abreast of Dunkirk. At noon — 

 moderate breezes from W.N.V. — Beaver one mile a-head — Strokes 26 — rate 

 t-'J kniits. P.M. 2. maile sail — Heaver 1^ mile a-head — 9i knots. At 4h. 28m. 

 .'iOs. Beaver a-breasi of Dover Pier. — 4h. 37m. 30s. Archimedes ditto. — Nine 

 minutes in favour of Beaver. 



Fniirth Ddij. April 2.J.— A.M. 813, started a-breast of each other with H.M. 

 Packets Beaver .and Ariel — h.ght breezes from 1'.. by N. — rate 9S ktiots — barn, 

 meter 26 inches — strokes 27. Beaver arrived first in Calais lioads by 2 mi- 

 iiules 4.) seconds — Ariel second, not ijuite three lengths a-hcad of Archi- 

 medes. 11'2.'). left Calais Roads in search of II. M.S. Swallow, with the Os- 

 leiid mails. P.I\i. 1.28, abreast of .Swallow. 2'.52, abreast of Dover Pier, 

 Shallow about two lengths astern— no sail set all this day. 



Fifth Dull April 27. — A.M. (j'40, started w ith the Britannia Steamer for 

 Boulogne, she being half a mile a-hcad. At 7. on her beam — rate 9i knots 

 ■ — Britannia made sail. At 7"1.'). made sail also — moderate breezes from 

 the N.lv — course South — 10 knol.-i — 27 stri.kes — barometer 26 inches. At 

 Oh. 2m. 4;js. rounded the buoy off Boulogne Pier. At 9h. 49m. liritannia 

 passed the buoy. Difl'ereiKe of time 21m. l.js. — of distance about 3? miles. 

 P.M. P")2. made sail for Dover — fresh breezes from N.E. — sailing and 

 steaming, close hauled. 9J knots, clear full, 10 knots. At 4, the wind being 

 fresh and dearl a-head, took in .s.ail — steaming, 85 knots. At .IIO, o(V Dover 

 Pier — having made the passage, under the above circumstances, and against 

 an ehli tide, in .;h. 27ni. 



Sixth Day. April 28.— On Ijiis d.ay. Capt. Chappell. R.N.. and Mr. Lloyd, 

 i'ingineer from 11. M. Oock Yard atAVooIwicb, eommeiieed the superiiiten- 

 dence of the trials, having been sent down specially by the Lords Commis- 

 sioners of the Admiralty to report thereon. A.M. S-K, left Dover Roads 

 with 11. M.S. AVidgeon — moderate breezes, wiml 10. by N. — rate 84 knots — for 

 Diuigeness light, distance 19 nautical miles. AVidgeon first by ■'im. 30s. In 

 returning, against a head wind — rale, 8 and 7'i — strokes, 26 per mimite. 

 Widgeon betit by cxtictly 10 minutes. No sail set this day. M'idgeon is the 

 fastest of the Dover packets, her engines being of 90 horse power: her power 

 is thus 10 horses grciiler than the Archimedes, while her tonnage is 80 Ions 

 less. Most of the Dover ])ackets ;ire of 70 horse po\\er; they are, on an 

 a\efage, about 90 tons stnallcr, draw 4\ feet less ^witer, and are iiol so broad 

 by .5 feet. During the whole of these trials the sea lias been perfectly 

 smooth, anil no ojjporlunily litis hitherto occurred of displaying the peculiar 

 advantage of the Screw over the P.addlc Wheels in a rough sea and a strong 

 wind. .Since the above was A\ritten — in a run to Calais, in a dead calm. 

 Widgeon beat Archimedes by only ij minutes in going, and i minutes in 

 returning: — Time in going over, 21i. 9m ; returning, 2li. llni. 



The French Government Sleiuner, La Poste, was beaten on this occasion 

 2.0 minutes. She is about 13.) tons, ;uid her engines of 50 liorse power. 



On the Isl of May, the Widgeon and Archimedes sl;irted together for 

 Calais, wilh ;i moderale breeze, both carrying sail and stemiiing. — Archi- 

 medes perlormed the distance to Cakus Ro.ads in 2h. Ini.. be;Uing Widgeon 

 by 9 minutes. In returning to Dover, she beat the Widgeon by 5 minutes, 

 making the distauie in Hi. .Ojm., the fastest passage kver made between 

 France :rnd F.ngland by 14 minutes. 



[To render these experiments complete, the quantity of fuel consumed in 

 each trip and by each vessel sliould be ascertained. — Kwtor.J 



NEW ROYAL EXCHANGE. 



Tmi: (Ircsham Committee met on the 7tli nit., to decide on the two |ilans 

 for the Royal E.vchange submitted to the Committee by .Mr. Cockerel], R.A.. 

 and Mr. Tite. President of the .\rchitectural ,S ciety, and after a protracted 

 discussion, the Committee finally determined in iavour of .Mr. lite bv 13 

 votes to 7. The bnildini;' will now be jiroceeded with without del.ay. The 

 fullinving description of the design appeared in tlie d;dly papers : — 



The design thus ;idopted possesses fetUures of a very striking character. 

 and i.i much approved of 111 the city. It will be recollected that the site of 

 the intended building is of an irregular form. The ground westward of this 

 site is to be cleared bv the removal of the luo masses of building which now 

 stand in front of the ll:mk, so a^ to h ave an oninlerrujited area from the 

 inlerscclion of the streets in front of the Mansion-house ; in this area it is 

 intended to place the statue of the Duke of Wellington. From the nature of 

 the ground, any form of building w bieli should adequately occupy it, must 

 be much wider at the east end than at the west. This irregularity is con- 

 cealed, and, though not rectangular, the proposed structure is' perfectly 

 regular in the pbui. 



At the west end, the architect has pkieed a very striking portico of eight 

 cohinins of the Corinthian order. The width of ibis portico is 90 feet, and 

 its height to the apc.x of the pediment 7.'J feet ; this is 16 feet wider and 17 

 feet hiKlicr than the portico of the cluirch of St. Martin-in-the-Fields. Be- 

 hind tlip portico is the ccntr.al entrance to the Exchange, which is deeply 

 recessed within a large arclied opening, having on each side an arch of cor- 

 responding general cliaracter. When clear of the portico, the building is in- 

 creased in width by pilasters and recesses, making its greatest extent at the 

 west end 106 feet. 



The south front, or that towards Cornbill, is an unbroken line of 2.00 feet, 

 occupied by a r.ange ofCorinthi.an pilasters, the intervals between which ;uv 

 divided in height into two stories. The loner of these ccn.sists of a series o| 

 rusticated arches, which comprises the shops, and the entrances both to the 

 E.'ichange and tlie offices; the upper story includes a uniform line of de- 

 corated windows for the principal floor. 



The north front is generally similar to the south. 



The east front is terminated at its northern and southern extremities by 

 curved corners, each containing three laisticated arches, with windows abo\e: 

 and fiom the centre of this front rises a tower 160 feet in height, terminated 

 by a vane, formed of the ancient grasshopper, the crest of Sir T. firesham. 



Tbe total length of the building, including the projection of the portico, is 

 293 feet, and its extreme width at the east end is 175 feet. 



'The area for the merchants is nearly in the centre of the edifice. If is a 

 parallelogram, HO feet in length from'east to west, by 112 feet from north to 

 south, and is entered in the centre of each of the four side. There is a colon- 

 nade of the Doric order round this area, which leaves about one-third of tbe 

 whole space open. Over the colonntule is a second order of attached Ionic 

 columns, with arched mid highly decorated windows in each inteicolumnia- 

 tion. 



With reference to the arrangements of the plan, it appears that the ground 

 floor is principally a]i]tropriated to shops and oflices, except a ]iart of the 

 north-east corner, which is given to Lloyd's, and the south-west, which is 

 reserved for the Royal l''.xchaiige As.suranee-olfiee. On the one pair, or prin- 

 ci)ial floor, tlie Subscribcrs'-room. Commerci.al-rooin, Reading-room, and 

 other apartments of Lloyd's, occupy the whole of the eastern portion of the 

 building, mid about tw o-thirds of the northern. The (he.di.am Lecture-rooms, 

 lilirary. and other aixirtments, fill up the rest of the north front and jiarl of 

 the west. The south front, in nearly all its length, is given to the corpora- 

 tion of the London Assurance, w liich establishment is to be accommodated in 

 the new buibling : ;ind the remainder of the south and west is appropriated 

 to the Royal ExclKingc Assurance. 



THE METROPOLITAN WATER SUPPLY. 



Table shewing the foreign matters contained in one gallon of Thnmrs water, 

 taken from ditlerent parts of the river, and of the same quantity of the 

 water from the I'alley nf the Cd/hc— (See Minutes of I'lvidenee, 1840, p. 19.) 



Thaiiiea water. 



From near Brentford 



From near Hammersmith 



From near Chelsea 



Sources of the proposed London and 



Westminster IVater Company. 

 From Otters pool (main spring) . . . 

 From mam stream (Valley of tl 



Colne) ". 



From the river Colne 



Carbonate 

 of lime. 



.Sulphate of Total in 

 lime and jl gidlon. 

 common salt 



Grains. 

 16 

 10-9 

 I6o 



18-8 



19-3 

 181 



Grams. 

 34 

 17 

 2-9 



2-5 



2-5 

 32 



Grains. 

 1,9-4 

 186 

 19-4 



213 



21-8 

 213 



Besides the above, the Thames water, as well as that from the Valley of 

 the Colne, was found to contain a very minute portion of oxide of iron, silica, 

 magnesia, and carbonaceous matter. 



[We were not prepared to find that the water from the Olterspool spring, 

 flowing through chalk, contained such a minute quantity of carbonate of 

 lime ;is2 grains in 70,000 grains, (the weight of a gallon of water), more than 

 water of the river Thames. To us this appears to be a very satisfactory re- 

 sult in favour of the proposed new Company. — Editor.] 



