. The aviation pocket-book for 1918; a compendium of modern practice and a collection of useful notes, formulae, rules, tables and data relating to aeronautics . e unmetalledcart tracks are known as fourth class. First and second class roadsare coloured yellow, when feasible. Contovirs and heights should be set out in burnt sienna, but whenthis is not available or time does not permit, the contours areshown by chain-dotted black lines. Streams are traced out withblue (or black) lines, a double line being employed when they areover 15 ft. wide. Woods are coloured green and buildings black. ARTI


. The aviation pocket-book for 1918; a compendium of modern practice and a collection of useful notes, formulae, rules, tables and data relating to aeronautics . e unmetalledcart tracks are known as fourth class. First and second class roadsare coloured yellow, when feasible. Contovirs and heights should be set out in burnt sienna, but whenthis is not available or time does not permit, the contours areshown by chain-dotted black lines. Streams are traced out withblue (or black) lines, a double line being employed when they areover 15 ft. wide. Woods are coloured green and buildings black. ARTILLERY It may be taken that the range given by maximum elevation onmodern field guns is in the neighbourhood of 9,000 jds. Withheavy ordnance it varies very greatly with the nature and size ofthe piece. Rifles are usually sighted up to about 2,200 yds.,though the Lee-Enfield is graduated to 2,800 yds. The average width over which a shrapnel shell is efiective is i6o SCOUTING AND SIGNALLING DIV. X tower Will, soil V \Vltln)ut lon,(or sniie Church or Chapti ^ WindmiU. Well If colours are available Biitishtroops are coloured ^ forxes fntreiHjhmenh Ldv^iUy in of her formafions. Ktdclte. Iiif^ntrv in line. Infdntry in column of foufe. Infant ry In other I or mat ions Sentry


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectaeronautics, bookyear