16 mm. SILENT MOTION PICTURES

 

Title Reels Rental
ART OF SPINNING AND WEAVING 2 $2.00

An authentic picturization of Colonial background and the
crafts of spinning and weaving. The steps in the spinning
of wool and flax are explained. The basic processes in
weaving are explained in the picture. The picture gives

a grasp of the basic principles of these practical arts,
which are exactly the same today as they were in Colonial
times. (Harvard Film Service)

CONTROL OF WORMS IN HOGS 2 1.00
A U.S.D.A. picture showing the common worms carrying
parasites dangerous to hogs. The June Bug, dung beetle,
earthworm. The effect on healthy hogs of thorny headed
worms, nodular worms, stomach worms, round worms, lung
worms, kidney worms, and methods of control.

CUSTOMS PROCEDURE FOR SHIPS AND PASSENGERS 4 1.00
The work of the U. S. Customs Service in regulating im-
ports. Inspection of ships arriving from foreign ports.
Searching a ship reported to be carrying contraband.
Examining luggage of passengers. (Frith)

DRYDOCKING AND REPAIRING SHIPS z 1.00
Shows the drydocking of a large freighter. The removal
of barnacles-—painting the boat—-tightening rivets—
straigntening the steel keel plate. (Frith)

EYE —— HOW YOU SEE 1 1.00
The film shows the anatomy of the eye using animated
drawings. Facts concerning focal adjustment (accommoda—
tion) <

 

HORSES AND BOTS 2 1.00
A U.S.D.A. film of the three types df bot flies and
the damage which they do. The common bot fly, the chin
bot fly, and tHe nose bot fly. The life cycle of each. ‘
Methods of protecting horses from the flies and also
treatment of infected horses.

 

IRRIGATION-——A BRIEF OUTLINE i 0.60
Clearing of land which is to be irrigated--leveling the
land. Preparing ditch system for transporting water——measur—
ing the water. Various methods of irrigating fields and
orchards.