Document MJOj5Mwrp88yanzJ5G39KDO7

FILE NAME: Engineering (ENG) DATE: 1930 Apr DOC#: ENG017 DOCUMENT DESCRIPTION: Trade Journal Article P At>R S4 1930 r t u e t Established 1856. -^ r Registered as a N ew spaper. OFFICE FOR ADVERTISEMENTS & PUBLICATION, 33, NORFOLK ST., STRAND. LONDON, W.C. 2. Vot, CXLIX--No. 3873] LONDON : FRIDAY EVENING, APRIL 4, 1930 T [ P k i c e O n e S h i l l i n g by i S .1 PUBLIC N O TIC ES A:ir Ministry. D IR E C T O R A T E TECHNICAL DEVELOPMENT DRAUGHTSMEN are R EQ U IR ED at the Koval A ircrait E-stabh'-hm ept. s o u th Faniborouph, H ant*. as follows -- Kef. No A. 41$, 9.-- TW O D R A U G H T S , GRADE II.'--One for w ork in connection w ith taglues and G eneral M echanical W ork : can d i- Bhould have h ad a pood te ch n ica l tr a in in g an d _ experience an d som e draw ing-office ex p erien ce '.connection w ith high-speed in te rn a l c o m b u stio n or allied mechanical w ork. One for Technical tions Work ; ca n d id ate s for th is p o st should good ceneral know ledpe of a irc ra ft a n d a e ro . ability to prepare perspective sketches suit* tor reproduction m technical han d b o o k s an d to ` up perspective illu stra tio n s from w orkshop 'DBS. ' ting salary 125 plus Civil Service b onus per giving a present to ta l rem uneration of _16s. per annum on th e scale 125-7 1 0 s.-150 .Dus per a n n u m . No. A. 387/420 -- F O U R D R A U G H T S M E N . E HI.--One for d etail w ork in connection w ith ' of Small M echanical A pparatus, such as "g and indicating in stru m en ts : three for work rctlon w ith A ircraft an d E n g in es. C an d id ates have had good, te ch n ica l e d u c a tio n a n d w orks ; actual drawing-office experience n o t 40s. to 52. p lu s C ivil S ervice b o n u s per Present to tal e q u iv alen t 3 6s. 2d. to 4 2s.), -alary depending on experience. given, o th e r th in g s being e a u a l. . to , 6men. t (quoting ap p ro p riate reference num ber), age and full p a r tic u la r s of tr a in in g a n d expe- $0 th e C H IE F S U P E R IN T E N D E N T , Bo> al Establishm ent, South Farnborougb, H ants. " 4776 0 i v i l S e r v i c e Com M ISSION. T he H om e Office an n o u n c es 22 v a c a n c ie s for in s p e c t o r s of f a c TORTES, Class II (Men or W om en). Salary 200. rising by 15 & year to 350. w ith usual C ivil S er\ice b onus in .T h e in itial salarv plus lo u u s'& t present >d a m o u n t to 290. T h e a p p o in tm e n ts Wet of rro m o tio n to th e higher grades. ,* Petition fo r th e se vacancies is a b o u t to be * the Civil Service Com m issioners. in con*'th th e H om e Office. A few a d d itio n a l toay arise la te r an d m a y be filled from e `-'indidates. , i:' - m u st b e o v e r 23 a n d u n d e r 32 y e a rs of Mav, 1930. b u t .tppl .cat mi,* from ea n d i- '3 2 w ith e x e v p tio n a 1 <i;.t! i Meat ions w ill be -Jati.ine fo - the r , <,,> i (lf (itgincRr PRINCIPAL CONTENTS OF THIS ISSUE, ARRANGED FOR CARD INDEXING. Schwartzkopff - Loeffler Super - Pressure Locomotive for the German State Railways. <p. 3711 ' THE ENGINEER, 4 - 4 - 3 0 . Operating Results at Station, 376 Barton (p. ) Power (H. L. GUV * H. C. LAMB.) THE ENGINEER, 4 - 4 - 30. British Railway Returns for 1929. (p.375) THE ENG INEER, 4 - 4 - 30. The Rolling of Metals No. "V i ,. (P. 369) (.1. S. CASWELL.) THE EN G IN EER ,,,4 - 4 - 30. ----------------------------- . . 7 " 'll . . . ? P7 ' ,1 Timber Moulding and Planing JVIachine. (p. sssj --------------- ' T H / N G t l i K K l i , 4 - 4 - 30. The Institute of Metals--No. IV. tp. 382) T H E E N G IN E E R , 4 - t - 30. PUBLIC NO TICES rpiie- University of Sheffield. X A R ESEA R C H A SSISTA N T is R E Q U IR E D in th e Mechanical E ngineering D epartm ent, to w ork u n d e r th e d ire c tio n of P ro fe s so r F . C. Lo-a. S a la r y 400 per annum A pplication should be m ade, on or before A pril 23rd, to the underM gneI. from whom fu rth e r p a r ticulars' m ay be obtained. W. M. G IBBON S. 4 760_____________________________________iv - j- ^ f r a r - P A T E N T S AND D E S IG N S A CTS. IffiU TO 1G2S 'Yfotice is Hereby Giyen that 1 4 SOCIETE ANONYMK D ES E T A B E I-S E - M ENTS NLU. of 47. Rue F ourier. L ille, F rance, SE E K LEAVE to VMEXD the SPE C IFIC A TIO N of L E T T E R S PA T E N T No. 303.4S9 g ra n te i to th em for an invention e n title ! " Imiroved M ethod ' -* M eans for the Cleaning or Sweeping, by Biu. Steam G enerators, Superheaters, W ater H eater*. H eaters, or the like." P articulars of the proposed A m endm ent were set fo rth in No. 2149 of th e `` Illu stra te d Official J o u rn a l (P atents)," published on th e 26th M arch, 1930. A ny person.' o r persons, m ay give N otice of O ppo sition to the A m endm ent by leaving P aten ts Form N o. 19 a t th e P a te n t Office. 25. S o u th a m p to n -b u ild ings. London. W.C. 2, w ith in one calen d ar m o n th from th e d ate of publication of th e said Jo u rn al. W. S. JARRATT. . P 6S63 Comptroller-General, . C i t y and R o y a l B u r g h of D U N D EE-- E L EC TR IC IT Y D E PA R T M E N T . The C orporation invites T E N D ER S for the CON STRUCTION of a R EIN FO RCED CONCRETE PUM P a C H A M B E R in th e R iv e r T a y u n d e r th e E a s te r n W harf, together w ith the CONSTRUCTION of REINFORCED CONCRETE PILED FOUNDATION for C irculating W ater Pipe, ap p ro x im ately 515ft* long, a t Carolina P ort. Dundee. Specification, schedule of Q u an titie s form of T ender and general conditions of contract an d draw in g , m ay be obtained from th e undersigned on paym ent of a dep o sit of 2 2s . w hich sum w ill be re tu rn e d upon receipt of a bona fide Tender. T e n d ers <s*.aled m e n v e lo p es p ro v id e d ) m ust. lodged w ith W. H. B ly th M artin, K sq., Town Clerk. C ity ( 'h a u ilu r* , D uinb-e. n o t la te r th a n b y S a tu r d a y , 10th M ay, 1910. The C orporation doe n ot bm d it-elf to accept the low est or any Tender D . 11 B H H O F . B s e . M I K K ., ( b .'.erH M anager m id E n g in e e r. E lectricity '"apply Ju iu rtn ie n t, D u d h o p .'><- ` D t-ro.ui. D undee, Mif .. \ - ~0._______________ 47".3 n V 4 , ' `t .. \ \ 7 . * . . . ! April A, 1930 T H E E N G I N E E R 379 Railway and Road Matters. Notes and Memoranda. Miscellanea. Srr \ king at tlio annual m eeting of the com bined eoninanies that form the London " U nderground " R ailw ays Lrmip, Lord Ashfield, the chairman, remarked th at tlie d-elava' ont railways were down to four m inutes per 10,000 That was a record and was m ainly due to tlie Renter care and attention which lmd been paid to the rolling stock. Thk. annual report of ih e M etropolitan D istrict R a ilw a y Company shows that in 1929 it carried 1.7S0.94S.037 passengers, of whom 65.607.032 were booked at w orkm en s fares, as compared vvith 1.744.771,986 passengers, including 62,465,869 workmen, m 1928. The average fare per passenger was, however. 1-9L1.. as against 1-9 3 J . The gross receipts were 1.605.538, aseom pared w ith 1.550.328. and the net receipts 541.528, ns against 541,802. Answering a question addressed to him on M archj 20tli, as to a train running into a m otor ear near/ Burton-on-Trent, the M inister of Transport said th a t t hij accident appeared to have been due to laek of care on thd part of tlie driver of the m otor car. P roceeding. Mr! Morrison said th a t under the R ailw ay Clauses A ct, 1865. he already had the power to require railw ay com panies tq> abolish level crossings, to which Sec. 7 of th a t A ct applied,s. if necessary for th e public service. H e w as prepared to consider applications from highw ay authorities for financial assistance towards well-considered schem es. The Ministry of Transport railway sta tistic s for December have recently been issued as a S ta tio n ery See publication, price 3s. 6d. T h ey show th a t, com pared h December, 1928, there was an increase of 1-9 per .nt. in the num ber of passenger journeys m ade, b u t th e scripts therefrom decreased b y 1*2 per cen t., com bined with an increase of 1-9 per cent, in th e passenger train cage. T hanks to a n increase of 8-1 per cen t, in th e aage of coal, coke, and patent fuel, th e ton n age of th e rchandise traffic rose b y 5 -6 per cent. T he freight Sc receipts increased b y 0*6 per cen t., and th e train !eage by 4 -6 per cent. The average train load increased 129j to 1301 tons, and the net ton-m iles per engine from 4181 to 426J. gIhere are four lines of w ay for the whole of th e d ista n ce ``m EUand to N orm anton on the former L ancashire and iwkghire, excep t for the short length a t tire w est end of "afield Station, where the railway crosses th e river Calder. hat length of line is now to be quadrupled under th e psvelopment (Loan Guarantees and Grants) A ct. Another iece of work w hich, under tlie sam e A ct, has been pproved bv the G overnm ent is the w idening from tw o to our lines of the 12 m iles betw een Broadholm e signal-b ox, Orth of Helper, near D erby, and Am bergate. T h a t w ork 'll necessitate the opening out of A lderw asley tun nel. Well, as it w as com pleted m 1S40, is no doubt of reduced WienMon^ to structure gauge when compared wi t h the tjttireinont s of the present dav. A m ong the livclro-elootnc installations of Canada, th eie are eigh teen w ith an output of over 100,000.000 k ilow att- hours per annum. St e e l eastings m ay he considered b y >ome people as a com paratively modern innovation, but that the art is of som e antiquity is vouched for by an illustration in tlie current issue of th e Ed<jar AUen A eics. In it there are depicted anvils, gear wheels, hydraulic cylinders, and so forth , w hich were c a st som ewhere about 1 8 13. Ce l l u l o s e films are, arcordin to H r . H . L evinstein, generally good insulators-- a property which has reeentl> opened up new fields of t^efulne^s for all types. The thin film has been tried in electrical condenser work, and aLo instead of paper for cable insulation. The results encouraging and further developm ents are expected. a A T h e recen tly issued H om e Office report on the danger to em ployees in the asbestos industry caused b \ the inhalation of dust, emphasises, as preventive measures, " tlie education of the individual, as in other dangerous trades, to a sane appreciation of the risk, and to his personal responsibility in the prevention and suppression of d u st.'1 The protection afforded by respirators was. it is aid, only partial, and there was a real danger that the use of them might give a sense of false security. ' An auxiliary, solid-drawn copper steam pipe on a steam er burst and the accident was inquired into by the Board of Trade. t The Kngineer-Surveyor-in-Chief explains that the pipe was about 23 years old and had been repaired on tw o occasions, th e last being about 12 years ago. There had been no indication since that the pipe was in any w ay defective. The local thinning of the pipe was not of itself sufficient to cause the explosion, and it is not known w hether the condition of the m aterial of the pipe was due to its treatm ent during the repair or its age. It is advisable that any steam pipes, the failure of which inay cause loss of life, should be annealed and tested periodically. I n dealing with the cause and prevention of accidents, in a lecture before the Junior In stitution of Engineers, Mr. S. Taylor gave the result of his own experience and the information obtainable from statistics obtained b y inspectors and others under the Factory A cts. In 1928 over 154,000 accidents, inclu ding 9.33 fatalities, w ere reported from factories, docks, building.-'. &o. in this country, and these had been classified according to the principal impersonal factors which caused them , and it would probably surprise an audience of engineers to learn that over 108,000, or over 70 per cent., of such accidents, and 524, or over 50 per cent., of the fatalities, were due to causes not connected in any way with the use of m achinery. A good exam ple of how an exhibit at th e British In d u s tries Fair m ay bring a firm busino--. from 'ourcys quite o u t - i d o i ts o r d m a r v n h e i v of a c t i v i t y w a s u> b e f o u n d in t h e -.entitle, a n d o p t i c a l m - t r u m e n t s e c t i o n a t O h m p i a T h e G anges Canal hydro-eleetrie schem e. w h ich is nearing com pletion, has cost Rs. 74,40.000. It is estim ated the proposed Pretoria works of the South Africa Iron and Steel Corporation will cost 3.500.000. T he Cevlon Government is considering a schem e of hvdro-eleetric supply, which will cost Rs. 1.45.00,000. T he assem blv plant of th e Ford Motor Company at Norfolk. Virginia, is to be extended to produce an output of 120,000 cars a year. T h e pithead bath s w hich have just been opened at^ th e P arsonage p its. Leigh, of the W igan Tron and Coal C om pany, Ltd., have cost 11.000. A ch em ical factory with an annual output of 4u0.0on ton s of superphosphate and IOO.Oihi to n s of --ulphurii laeid is to he put up at Leningrad. \ T he P o lish Government factory at R adom is to be equipped for th e m anufacture of bicycle.-.. A n annual output of 40,000 machines is expected. tlT is reported that the sodium sulphate deposits of the O im iston district in Saskatchewan are to be exploited by a com pany which is to put down a plant costing some 100, 000. T h e new pit of Am algam ated A nthracite Collieries. L td., at Cefn Coed, is approaching the coal-getting stage and will, it is claim ed, be the largest anthracite eolhery in the country. It is announced that the scheme for the erection of a blast-furnace plant near Teheran, Persia, will not be proceeded w ith until the construction of a railway across Persia has been com pleted. T he Standard Oil Company, of California, has ins rated a service for distributing liquefied natural gas. steel bottles, for dom estic purposes, in districts where g.., is not supplied through mains. A mining centre for the higher education of colliery technical students is to be erected by the Durham County Council E d u cation A u th ority a t W est S ta n ley . I t is estim ated that, the building will cost 6400. T h e total quantitv o f plumbago exported from Ceylon during the year 1928' of which the latest official figures un availab le, w as 14.346 ton s 11 c w t.. as com pared w ith 12,884 tons 6 cw t. for the previous tw elve m onths. An ordei for som e 95,000 tons of coal for the Belgian State R ailw avs has been secured by a Leeds firm of exporters. The coal is to be exported from Humber portand will ho delivered betw een April and Septem ber. A b r id g e is to be built over the river Irraw addy about 9 miles from M andalay to the designs of Messrs. Rondel, Palmer and Tritton. Tho steel work, which will am ount to som e lOjOOo to n ', v d l he supplied bj R ru ith u m te and Co. (India),1Ltd. ..lit if.;.sos s o i m i , i ,, I , . . , , - ............... '