THE ROYAL ENGINEERS JOURNAL. Vol. XII. No. 6. DECEMBER, 1910. CONTENTS. PAGI'. 1. The Military Uses of the Aerostat. By Capt. P. W. L. BROKE-SMITH, R. E. ... 395 2. A Field Practice Sub-Target. By Capt. F. V. THOMPSON, R.E ... ... 403 3. Gibraltar under Moor, Spaniard, and Briton (conlinyted). By Col. E. R. KENYON, R. E. ... ... ... ... ... ... ... 409 4. Major-General Sir William Reid, R.E., G.C.M.G., K.C.B., F.R.S. (concluded). By Col. ROBT. H. VETCH, C.B., late R.E. (Wih Photo) . ... ... 427 5. Memoir:-Major-General Edward Renouard James, Royal Engineers (concluded). By Col. ROBT. H. VETCH, C.B., late R.E. .. 443 6. Transcript:-The Demolition of the Hun-Io Railway Bridge. (From the Razvyedchik). (With Photo) ... .. ...... ... 453 7. Notices of Magazines .. ... ... ... ... 455 8. Recent Publications of Military Interest ... ... ... 459 9. Correspondence:-Militia Post, Miranshah, Tochi Valley. By Major D. H. McNEILE, Comdt., N.W. Militia .. ... ... 466 INSTITUTION OF RE OFFICE COPY DO NOT REMOVE p. GUARANTEED: Immunity from repairs. Smooth on both sides. Roofs 5,781 Ibs. \ covered with "Eternit" Tensile Strength, T Crushing Force, 8,281 Ibs. lew weigh about 22 bs. Per Squarequare Inch andand LIGHT. per square yard. always inoreasing : \ with age. ON THE ADMIRALTY AND WAR OFFICE LISTS. For Diagonal or Honeycomb Style of Roofing. Colours: Grey, Blue and Red. Stock Size, l.5" Iby 15" ETERNIT" ROOF TILES (Ilatslhcek's Oliginal Patent). G. R. SPEAKER & CO., 29, MINCING LANE, LONDON, E.C. ENGINEERS Lees than one-half the cost of /and Broseley Tiles. /SURVEYOR Prompt delivferyv . ,. are earnestly warned Prmpt deliverynot to confound "Eternit" Speedy fixing. WEATHER Tiles with so-oalld Asbestos S lates varying in quality, thiok- No breakages. ROF. nes and colour,advrtised under fancy brands. Etornit "ndurs not for an age, but for all time." G. E. CARRINGTON, For many years Master Tailor, Royal Engineers, TAILOR &MILITA R Y OUTFITTER, 53, HIGH STREET, OLD BROMPTON, KENT, And at CARLTON HOUSE, REGENT STREET, near Waterloo Place, S.W. HOURS OF BUSINESS:- Old Brompton, 8.30 to 7.30; Saturdays, 8.30 to 2. Carlton House, 11 to 6; Saturdays, 11 to 1. r Telephone No.-East 53. Telegraphic Address:-" Constructive Ironworks, London." MATTW. T. SHAW & CO., Ltd., MILLWALL, LONDON, E. CONSTRUCTIONAL STEELWORK, FRAMED BUILDINGS, BRIDGES, ROOFS, Etc. Large Stocks of Joists, Channels, Angles, Tees, Flats, Plates, Chequers, Rounds, Squares, Rivets, Bolts, Galvanized Sheets, etc., etc. VERY PROMPT DELIVERIES GUARANTEED. THE ROYAL ENGINEERS JOURNAL. VOLUME XII. JULY TO DECEMBER, 19I0. CHATHAM: ROYAL ENGINEERS INSTITUTE. AGcNTS AN) PRINTERS: W. & J. MACKAY & CO. LTD. VOLUME XII. No. I. JULY ... ... ... Pages i- 64 , 2. AUGUST .... ..... ,, 65-144 ,, 3. SEPIEMBER .... ... 145-234 ,, 4. OCTOBER ... ... ,, 235-3I4 ,, 5. NOVEE ... .. , 315-394 ,, 6. I)DECEMBER ... .. 395-466 SUBJECT INDEX. Origin!l Articles are enlered in thick tlpe; Tr,zsla,tioR, Review's, ,ltd 'Xoliesif/ r,agrazines in tlin t]ype. PAGE. AERONAUTICS AND ITS PROGRESS IN CANADA, by Major G. S. Maunsell, R.C.E. ... ... .. .... 15 AEROSTAT, THE MILITARY USES OF TIIE, by Capt. P. W. L. Broke- Smith, R.E. ... .. ..... .. .. 95 ARUVANKAD, A SPECIAL VITRIOL CHIMNEY AT THE CORDITE FACTORY, by Major F. A. Wilson, R.E. ... ...... 16 ASIHABAD COURSE OF INSTRUCTION FOR OFFICERS OF RAIL\VAY TROOPS (ifom0 the A'azvj,edchik) ... .. 293 AUSTRIAN OPERATIONS IN NORTH ITALY IN 1818, by Capt. F. D. Irvine, R.E. .... ... ... ... ... 149 BOO S RECEIVED ... ... ... .. .. .. ... ... 314 391 BRIDGING BY NO. 1 COMPANY, 1st P.W.O. SAPPERS AND MINERS, DURING THE LAHORE DIVISION MAN(EUVRES, 1909, by Lieut. W. Cave-Browne, R.E.... ... ... ... ... ... 65 CALCULATION OF WORKING PARTIES IN A DEFENCE SCHEME, by Capt. E. N. Mozley, R.E. ... ... .. ... 69 CANADA, AERONAUTICS AND ITS PROGRESS IN, by Major G. S. Maunsell, R.C.E. ... .. ... ... ... ... 15 "CARL BAYER SUUIBARINE AND SURFACE LOAT. (Translated fioll tihe Kriegstechnische Zeilschrift by Capt. C. Otley Place, D.s.o., R.E.) ... 59 CLIMB ON KOLAHOI, A, by Lieut. Kenneth Mason, R.E . ...... 337 CORDITE FACTORY AT ARUVANKAD, SPECIAL VITRIOL CHIMNEY FOR, by Major F. A. Wilson, R.E. ... ... ... ... 161 CORRESPONDENCE:- A Spanish Windlass, by Capt. A. L. Paris, R.1. .. ..... ... .MilitiaPost, Miranshah, Tochi Valley, by Major D. II. McNeilc, Commandant, N.W. AMilitia .. .... ... ... ... ... ... 466 CRYSTALLINE ROCKS, UNDERGROUND WATER IN, by Capt. K. E. Edgeworth, R.E. ... ... ... ... ... ... 239 DEFENCE SCHEME, CALCULATION OF WORKING PARTIES IN A, by Capt. E. N. Mozley, R.E. ... ... ...... 6 DEMOLITION OF TIIE IIUN-IIO RAILWAY BRIDGE. (IFOII the A'(zzyedchik) . 453 DEPRECIATION, by Major W. A. J. O'Meara, C.3I.G., late R.E. ... 39 iv. INDEX. P1AGE. FIELD AUlOMOilLE SEARICHLIGHLT, by R.W. ..... ... 5..7 FIELD COMPANY AT TRAINING AND MAN(EUVRES, by Major A. F. Sargeaunt, R.E. ... ... ... ... ... ... ... 317 FIELD PRACTICE SUB-TARGET, by Capt. F. V. Thompson, R.E.... 403 FIRE TRENCHES, AN INVESTIGATION OF THE SECTION OF, by Capt. A. M. Cardew, R.E. ... ... ... ... ... ... 7 FORTIFIED POSITION OF NAN SIIAN AND TIIE KiUto'ATICNr[{EDOUBT, by Major Don Augustin Scandella. (Tianslated fiom the AJemorial de Ingwiieios by ' M ') ... ... ... ... ... ... ... ... 207, 381 FORTRESS MAN(EUVRIES (fioro the .Illiti, I'Vocizeiblll), by Major B. Atkinlson, R.F.A., G.S. ... .. .......... .. ... 109 GENERAL REI'ORT ON TIIE ENGINEER TROOIS OF TIIE ITALIAN ARMY, by Capt. Don Rafael Malrin del Campo. (Translated fiomi the ,lIem,orialde Itngenieros by ' M') ... .. .. .. ... ... .. ... 117 GIBRALTAR UNDER MOOR, SPANIARD AND BRITON, by Col. E. R. Kenyon, R.E. ... ... ... ... ... I65, 243, 319, 409 GIRDER ERECTION OVER ROHI BEAS, PUNJAB, BY NO. 1 COMPANY, 1st P.W.O. SAPPERS AND MINERS, by Lieut. O. E. U. Ingham, R.E. .. .. ..... ... .. ... ... 235 GUNCOTTON, SOME REMARKS ON WET, by Bt. Major R. L. McClintock, I.s o., R.E. ... ... .. ... 315 IHYI)I4AULICS OF IIHE CIlAGRIs RIVER, by GenC. lienry L. Abbot, U.S. Army. (From 7ilc EngiSi,tne,in .Ta-iS c) ... ... ... ... 367 INVESTIGATION OF THE SECTION OF FIRE TRENCHES, by Capt. A. M. Cardewv, R.E. ... ... ... ... ... 7 KOLAIOI, A CLIMB ON, by Lieut. ienneth Mason, R.E ... .. 337 MAGAZINES, NOTICES OF:- Bolcinliln iliar, by ' M' ... ... .. ... ... 305 B]]llet/ito del/a Sociela Ae,oro,iitlita lialiataa, by Bt. Col. J. E. Cappcr, . ., R.E. ..... ... .... ... ... ... ... 'llzure, by Maj.-Gen. \. .E. \Vaanad, D.L., late R;.E . ... ... 305 Revue Mlililaire des AsAr ElZanresrrs , by 2nd Licut. A. 1I Scott, R.E. 133, 307, 392, 456 Iivista di Artiitieria e Genio, by Col. Sir E. T. Thackeray, v.c., ;K.C.B., late R.E. ... ... ... ..... 136, 311, 456 The l' zmato-Damiashiii, by " C.F.1. ... .. ... ... 142 INDEX. V. PAGE. MEMOIRS:- Col. Henry Fyers 'urner, c.u., R.E., by Col. R. H. Vetch, C.B., late R.E. ... ... ... .... ... ... 97 Major-Gen. Edward Renouard James, R.E., by Col. R. H. Vetch, C.B., late R.E. ...... ... 191, 271, 355, 443 Major Philip Cardew, R.E., by Major L. Darwin and Col. G. A. Carr, late R.E. .. .. ... ... ... 283 MILITIA POST, MIRANSHAH, TOCHI VALLEY, by Major D. H. McNeile, I9th Lancers (Fane's Horse) ... ... ... MILITARY USES OF THE AEROSTAT, by Capt. P. W. L. Broke- Smith, R.E. ... ..... ... ... ... ... ... 395 NOTES ON PIIOTOGRAPIIY IN TIlE TROPICS, by Capt. H. G. Le Mesurier, R.E. (From Phologr,aphjy antd Focis) ... ..... .... 373 NOTES ON SEARCHLIGHTS, by R.W. ... ... ... ... NORTH ITALY, AUSTRIAN OPERATIONS IN IN 1848, by Capt. F. D. Irvine, R.E. .......... ... ... ...... 149 lRECEN I'PUBLICATIONS OF MILITARY INTEREST ... .. ... .. 225, 459' RECONNAISSANCE OF A FORTIFIEI)1POSITION. (Translated fiom tle Lei/zeicrn.tee Zitoo-ital by Lt.-Col. F. E. G. Skey, R.E.) ... ... ... .. 295 REID, MAJOR-GENERAL SIR WILLIAM, G.C.M.G., K.C.B., F.R.S., R.E., by Col. R. H. Vetch, c.B., late R.E ... 19, 83, 177, 255, 343, 427 REVI EWS :- Field Telephones (Correction) . ......... ........ 13 Construction of a IIouse, by Charles Gourlay, A.KR.1.. A. ... ... 391 ROHI BEAS, PUNJAB, GIRDER ERECTION OVER, BY NO. 1 COMPANY, 1st P.W.O. SAPPERS AND MINERS, by Lieut. O. E. U. Ingham, R.E. .. .... ......... .. 235 SEARCHLIGHTS, NOTES ON, by R.W. ... ... ... ... SIll' STUDY OF H.M.S. Indontilable, by R.\ . ... ... .. ... lo SOME REMARKS ON WET GUNCOTTON, by Bt. Major 1. L. McClintock, D.S.O., R.E. ... .. .. .... 315 SUB-TARGET, A FIELD PRACTICE, by Capt. F. V. Thompson, R.E. 403 TELEGRAPHY, WIRELESS-SOME UP-TO-DATE AMERICAN METHODS OF RECEPTION, by Lieut. A. C. Fuller, R.E.... ... ... 145 TELEGRAPHY OF PIIOTOGRAPIS, \VIRELESS AND BY WIRE (a prcis of anaicle in The Eleclrician), by 2nd Lieut. A. H. Scott, R.E. ... ... 127 TRAINING AND MANCEUVRES, A FIELD COMPANY AT, by Major A. F. Sargeaunt, R.E. ........ ...... ... ... 317 TRAVELLING IN TIlE AIR, by Col. Capper, c., I.E . ...... ... 219 vi. IND)EX. PAG E. UNDERGROUND WATER IN CRYSTALLINE ROCKS, by Capt. IK. E. Edge\worth, R E. ... ... ... ... .. ... 239 VITRIOL CHIMNEY AT THE CORDITE FACTORY, ARUVANKAD, A SPECIAL, by Major F. A. \ilson, R.E. ... ... ... 161 WATER IN CRYSTALLINE ROCKS, UNDERGROUND, by Capt. K. E. Edgeworth, R.E. ... ... ... ... ... ... 239 WET GUNCOTTON, SOME REMARKS ON, by Bt. Major R. L. McClintock, D.S.O., R.E. ... ... ... ... 315 WIRELESS TELEGRAPHY-SOME UP-TO-DATE AMERICAN METHODS OF RECEPTION, by Lieut. A. C. Fuller, R.E .... ...... 145 INDEX TO AUTHORS. (lAemnoirs antd Reviewus Omitted.) PAGE. PAGE. ABBOT, Gelnelal Ilenry I..... .. 367 IAUNSE.LI, Major G. S. ...... 15 ATKINSON, Major B. ... ... 109 MOZLEY, Capt. E. N. .... ... 69 B1RoKE-SMrIT, Capt. 1'. W. L . ... 395 O'M.:ARA, Major W. A. ...... 39 "C.F.."... ...... ... 142 PARIS, Capt. A. I........ ... 313 CAPPER, Bt. Col. J. .. 63, 219 PLACE, Capt. C. 0. ... ... 9 CARDEW, Capt. A. M . 7 CAVE-BROWNE, Lieut. W.... ... 65 ' R.W .' ....... ... 1,,,57, 57,10 105 EDGEWORTII, Capt. K. E. ... 239 SARGEAUNr, Major A. F. .. ... 317 SCOTr, Lieut.