Viewing page 63 of 236

This transcription has been completed. Contact us with corrections.

SERIAL NO. 2631   PAGE 11.

[[image -drawing of a soldier taking a visual measurement of a circle]] 

ANGLE OF ELEVATION IS THE SAME AT ANY POINT OF CIRCLE A-B-C

Fig. 1

Transcription Notes:
[[image - soldier, looks like he is taking a visual measurement of a circle]]