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4

1000 Millimeters = 1 meter 10 Centi " = 1 " 1000 Meters = 1 Kilo "

Telephone Tags [illegible] Red 3 notch

                         Inft.         Blue 2     "
                         Engr.       White 1  "

Tags placed on LTR of crossings, at each station, each fork, each 250 meters along line.

Cable Armored cable

          Filled           "
          Light           "
                             1/14 - 18

Compass - goniometer Boussote Aim [illegible] On aladad - (5 % on scale X 10 (constant) =50 miles Traverse - a line or route laid out by use of Plain table chains + pole. 4 men give best result in speed. Instrument used is aladad + ph. tr. Always start at geodetic point. The example is for all nos on scale