Filtering-bag of cotton-cloth.
Cotton filtering-bag, ‘creased,’ or enclosed in its canvas envelope, ready for fixing.
The second of the above arrangements is the least expensive, and certainly the most convenient in practice; and when the cylinder l fits the hole closely (allowing for the bag), is as safe, or safer, than an ordinary screw.
a. Bottom of cistern.
b. Filtering-bag.
c. Screw of the conical nozzle fitting into the cistern.
d. Binding cord connecting bag and nozzle.
e. Binding cord connecting bag and lower nozzle.
f. Bayonet-catch, connecting the lower portion of the nozzle fastened to the bag with the upper and fixed part, g.