TEXTBOOK OF LANDSCAPE GARDENING 
at the inside of the ring, some at the end of the ribbon and some at a 
distance from the end. 
In field work it is better to have the zero end at rear so as to 
measure from it each time. In holding the zero end don’t allow 
La 
Fig. 16. Usine tHE Prismatic Compass 
strain to come on the stake or pin. Tie a strong string or leather 
thong into the ring when more convenient. In making measure- 
ments always hold tape level. Hold tape in left hand drawing 
around little finger. Pull tight, as though you meant business; 
the shortest measure is the correct one. 
Show in your notes the direction in which the measurement 
was made, as from A to B. Record all the measurements taken 
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