Selections from 'The Boy Mechanic'
Nozzle Angle for Lawn Sprinkling
The Boy Mechanic, vol. 2, page 356
Where there is no prop or water sprinkler at hand for tilting the nozzle of a hose, start to tie a knot in the hose, as shown in the sketch, but do not draw it up tightly. the hose nozzle can be tilted to any angle in this manner. - Contributed by S. J. Eddy, Portland, Oregon.