The Royal Engineers Journal
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THE ROYAL ENGINEERS JOURNAL. Vol. IX. No. 6. d JUNE, 1909. CONTENTS. 1. Staff Rides and Manceuvres. By Lieut.-Col. H. S. JEUDWINE, R.A. (Wilh Photos) 417 2. A Graphic Method for Calculating Field Suspension Bridges. By Capt. C. E. P. SANKEY, R.E. ... ... ... .. 433 3. Unstable Territorials of Imperial Rome, Circa 200 B.C.-100 A.D. By Col. O. E. RUCK, late R.E. ... .... 437 4 Progress in the Manufacture. Testing, and Employment of Portland Cement. By J. G. BAXTER, Esq., F.C.S. ..... .. ... 439 5. The R.E. Headquarter Mess (continued). By Lt.-Col. B. R. WARD, R.E ... 455 6. Memoirs:-Lieut.-General Sir Richard Hieram Sankey, K.c.B. By ' H.M.V.' ... 461 Major Percy Braybrook Molesworth, R.E. By Capt. P. ROBINSON- EMBURY, late R.E. ... ... ... ... ... 475 7. Transcript:-The Training of the 7th Engineer Regiment of the French Army. (Translated from the Memorial de Ingenieros by 'M.') ... ... 477 8. Reviews:-The Li/e of Major-GentralSir john Ardagh. By SUSAN, COUNTESS OF MALMESBURY (LADY ARDAGH) ... ... ... ... 481 The Historical Records of the Fifth (Royal Irish) Lancers. By Major W. T. WILLCOX, 3rd Hussars, late Captain, 5th Lancers. (Lieut.-Col. B. R. WARD, R.E.) .. .... ...... 486 Sanitary Engineering. By MOORE & SILCOCK. (Lieut.-Col. J. WINN, late R.E.) ... ... ... .. .. 487 PracticalArabic Grammar ... .. ... .. 488 9. Notices of Magazines ... ... .... ..... 489 10. Correspondence:-Railway Signalling. By Lieuts. G. C. V. FENTON and W. G. TYRRELL, R.E. ........ ... .. .. 494 INSTITUTION OF RE OFFICE COPY DO NOT REMOVE s~.______,___ _ ....... __ -. I THEOMODERN ROOFING MATERIAL, "ETERN IT." S <S Weight, 22 bs. Laid. G. R. SPEAKER & CO., Engineers & Contractors to H.M. Government, 29, MINCING LANE, E.C. WIRE-" TRASHEET." 'PHONE-CENTRAL 13174. a, - j- HAWKES & CO., LTD., TAILORS AND MILITARY OUTFITTERS, CAP AND ACCOUTREMENT MANUFACTURERS, I4, PICCADILLY, LONDON. Patroniucd by many Officers of the Royal Engincgrs. I I 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. AD VER TISEMiENTS. i,, Telegrams--"GUNDRADA, LONDON." Telephone-4716 Gerrard. Fire, ? ^ i Chargers, Theft and E Hunters, Burglary Marine (C0oizbieed,). * Risks. '<HeA F ZCl7. c c g Si i. The "Professional" Policy . of . Accident and Disease Insurance Is Specially adapted for Military and Naval Officers serving in ANY PART of the WORLD, and now covers 30 Specified Diseases. Revised Prospectus of Extended Benefits on application- 217, PICCADILLY (CIRCUS), LONDON, W. Surveying oth'r Scientific Instruments. C. F. CASELLA & CO., Instrument Makers to the British atd all Foreign Governments, will be pleased to send their Price Lists, and to give quotations or other assistance to Officers requiring Scientific Instruments for Survey or other work. 11-15, Rochester Row, Victoria Street, London, S.W. THE FINEST PHOTOGRAPHIC LENS -- THE HOLOSTIGMAT (IVWATSON CONRADY SYSTEMIII), FRONNI Composed of two Anastigmatic and Achromatic Single Lenses of perfect correction for use as separate Lenses. MADE IN TIIREE SERIES. Series i.-Aperture f6 Coimponents f'. 5. A perfect Lens for universal use. Series IA.-Aperturef46. Components f8-5. For rapid work in dull weather. Series V A.-Aperture f.l. Components f,6. I The ONI Y convertible wide angle Lens made. Price List sent FREE, on application by- W. WATSON & SONS, Ltd., 313, IIIGII IIOLBORN, LONDON. A D rERTISEMENTS. EXPANDED METAL SYSTEM OF REINFORCED CONCRETE AND FIRE-RESISTING CONSTRUCTION. I " . , , :-- . EXPANDED STEEL CONCRETE CEMENT STORE FOR TIIE WOULI)IIAM CEMENT CO., LTI>., WORKS, WEST TIIURROCK. Speciallties:- CONCRETE REINFORCEMENT; 3-in. mesh weights Expanded Steel for Foundations, Walls, Floors, Roofs, Bridges, Reservoirs, Sewers, Conduits, Hoppers, Silos, etc. LATHING FOR PLASTER; Expanded Metal Lathing for Ceilings, Partitions, Exterior Walls, Steel Work Encasing, etc. MADE-UP GOODS; Openwork Partitions, Fencing, Clothes and Tool Lockers, Machinery and Tree Guards, etc. Full particulars on application to:- THE EXPANDED METAL CO., LTD., YORK MANSION, YORK ST., WESTMINSTER, S.W. Telegrams:-"DISTEND, LONDON." Telephones:-819 Gcrrard; 1514 Victoria, ADVERTISEMIENTS. PATENT VULCANITE ROOFING FOR FLAT ROOFS, CONCRETE ROOFS AND WOOD ROOFS. ROOF TANKS FOR SWIMMING-BATHS, RESERVOIRS, BRIDGES. EFFICIENT AND ECONOMICAL For Waterproofing Existing Faulty Concrete and Asphalte Roofs. Will give with the movements of the building due to settlement, vibration, and expansion and contraction, and is guaranteed for long periods. Special surfaces can be provided to the Vulcanite covering to meet any special requirements. Full particulars on applicationto :- VULCANITE, LIMITED, 118, Cannon St., London, E.C. Laganvale, Belfast, and at. MANCHESTER. (Also Iannufacturels of VULCANITE and BITUMEN Sheetings for the Sloping Roofs of .ight Buildings, and for use as a Damp-proof Course). BULLIVANT & CO., Ltd., Manufacturers ot STEEL WIRE ROPES FOR CRANES, LIFTS, HOISTS, SUSPENSION BRIDGES, HAULING, Etc. DURABLE AND RELIABLE. Contractors for . AERIAL ROPEWAYS Specially designed for conveying Stores, Munitions, etc., across Rivers, Ravines, etc. Can be quickly and easily erected and dismantled. Suitable also for conveying Passengers. BLOCKS, PULLEYS, TACKLE, AND ALL WIRE ROPE APPLIANCES. Regd Office,, 7 , Mark Lane, London, E.C. Works, Millwall, E. A D VER TISEME NTS. Siemens Searchlight Projectors. MADE IN ALL SIZES FROM 25 cm. to 200 cm. 24-inch Light-weight Projectors. I'art of a Recent Contract for II.M. Ships. Projectors can be fitted with Siemens Patent Horizontal Automatic and Hand Lamp, or Horizontal Lamp for hand feed only. Mirrors of the metallic or glass parabolic type. Single or double Dispersing Lenses. Iris Diaphragm Shutter or Venetian Louvred Signalling Shlutter. Electric Control is fitted for Fortress, Battleship, and other use, if desired. Full Particulars on Application to M Department. SIEMENS BROTHERS DYNAMO WORKS LTD., Caxton House, Westminster, S.W. Telephone: GERRARII 86,. Telegrams: "SIlMBRALOS, LONDON." ERRATUM. IN the \Iap illustrating " Swallow Holes," published with the R.. JtJournal for May, for " Scale: six inches," etc., etc., read " Scale : three inches," etc., etc. CONTENTS. PAGE. 1. STAFIF RIDES AND MANCEUVRES. By Lt.-Col. H. S. Je(ldwine, R.A. (With Photos) ... ... ... ... ... ... ... ... ... .. 417 2. A GRAPHIC METIIOD FOR CALCULATING FIELD SUSPENSIO.N BRIDGES. 1By Capt. C. E. P. Sankey, R.E. .. .... .. ... .. 433 3. UNSTABLE TERRITORIAI.S OF IMPERIAL ROMIE, CIRCA 200 B.C.-100 A.D. By Col. O. E. Ruck, late R. E. ...... .. ... ... ... ... ... 437 4 PROGRESS IN TIIE -MNUFACTURE, TESTING, AND EMPI.OYXMENr OF PORTLAND CEMENT. By J. G. Baxter, Esq., F.c.s....... ... ... ... ... 439 5. THE R.E. IIEA,DQUARTER MESS (contitued). By Lt -Col. B R. Ward, R.E ... 455 6. MEMOIRS:- Lieut.-General Sir Richard Hieram Sankey, K.C.B. By 'H.M.V.' ...... 461 Major Pelcy Braybrook Molcsworth, R.E. By Capt. P. Robinson-Embury, late R.. ... ...... ... ... ... ... .... ... 475 7. TRANSCRIPT:- The Training of the 7th Engineer Regiment of the French Army. (Translated fromn the Mlemorial de In.entieios by ' M.') ... .. .. .... 477 S. IREVIEWS :- The Lije of Afajor-General Sir 7ohn Arda.,h. By Susan, Countess of Malmesbury (Lady Ardagh) ... .. .. ... 4SI The HistoricalRecords of the Fifth (Royal Irish) Lancers. By Major W. T. Willcox, 3rd Ilussars, late Captain, 5th Lancers. (Lt.-Col. B. R. Ward, R.E.) .. ... ........... ................ ... 486 Sanitazi'y Engineering. By Moore & Silcock. (Lt.-Col. J. Winn, late R.E.) 487 PraclicalArabic Granmmar.. ... ...... ....... 48S 9 NOTICES OF MAGAZINES:- yournzal des Sciences .,lilitaires. By Lieut. II. L. Woodhouse, R.E. ... 489 Le bulletint. By ' E.R.' ............ ... ...... 490 Alifitirische Presse. By Capt. R. Walker, R. E. ............ 491 Aevue du Genie Militaire. By Capt. J. E. E. Craster, R.E ........ 493 10. CORRESPONDENCE:- Railway Signalling. By Lieuts. G. C. V. Fenton and W. G. Tyrrell, R.E.... 494 ,lithors alone are responsible for the stalemennts nmade and the opinions expresscd in their papers. STAFF RIDES AND MANOEUVRES 1909.] 417 STAFF RIDES AND MIAATEUVRES. A Lecltre gbiven at the S..71E. on 71h Yanuary, 1909, by LIEUT.-COLONEL H. S. JEUDWINE, R.A. THE regulations regarding staff rides and manceuvres which at present are to be found in Chapter VII. of Combined Training are undergoing revision, and will shortly be republished, with additions and amendments, in the shape of a separate manual, entitled Training and illanceuvre Regutlations. In this volume the designation " Staff Ride " is altered to " Staff Tour," and " Regimental Tours " are called "Regimental Exercises." I propose therefore to refer to them under the new nomenclature. Staff tours and manceuvres, as means of training officers, are com- plementary to each other. Each has its peculiar advantages and limitations. The opportunities which the one presents are not always to be found in the other, and at the same time different drawbacks attach to each. In a staff tour it is possible to present exercises in strategy and in grand tactics, involving the handling of large forces and their move- ment and disposal over a wide area. The bulk of the administrative work which, in the case of actual forces, would be necessitated