T

Acknowledgment

HE Association cheerfully acknowledges the receipt of adver

tisements from the persons and firms whose names appear below, and desires the careful consideration of these adver tisements by all who read the Proceedings.

The firms are reliable and deserving of patronage.

W. & L. E. GURLEY,

TROY, N.Y., U.S.A.

LARGEST MANUFACTURERS IN AMERICA OF CIVIL ENGINEERS' AND SURVEYORS' INSTRUMENTS.

Transits, Levels, Compasses, Plane-Tables, Current Meters,
Leveling Rods, Chains and Tape Lines.

Telescopes, Drawing Instruments, Scientific Books,
Anemometers, Barometers, Odometers, Field-Glasses and

etc., etc.

Our Latest Illustrated Catalogue and Price List Mailed on Application.