Finch, James Kip, 1883- · New York : John Wiley & Sons, Inc. · leaf 120
e generaldirection of the road. We now select a point on the board, TRAVERSING 99 a, to represent the point A on the ground. Place a pin at thepoint a on the board and putting the triangular weighted sight-ing scale or alidade next to the pin turn the alidade so thatit points at the next point B. A… … ^B Road (a)
Cartography · Military maps
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
