Anchor Posts for a Lawn Swing
A very substantial and convenient base for a lawn swing can be made by using four anchor posts of cement, as shown in Fig. 1. The posts are made with a recess, A, to receive the legs of the swing, and of any suitable size. They may be placed with the upper face on a level with the lawn, or higher if desired.
Ar. Anchor Post of Cement and a Mold Box for Shaping Four Posts at a Time (Fig. 1, Fig. 2)
A rough mold box, Fig. 2, lined with paper, will do for making the posts. The box does not require any top or bottom; it is simply placed on a board and lifted away when the blocks are thoroughly dried. If the blocks are leveled when placed in the earth, the swing may be taken down and erected again without the usual leveling and bracing.—Contributed by James M. Kane, Doylestown, Pa.
Automatic Filter
This funnel-filling filter automatically prevents the solution from running over if the filtering is slow or the filter substance becomes clogged. The upper inverted bottle holds the solution to be filtered, the cork being fitted with a glass tube as shown, and when in use the cork is forced into the neck of the bottle so that no air can enter between it and the glass. The support for holding the bottles has two brackets, one to fit the neck of the upper bottle and the other used as a shelf for the receiving bottle. In operation, the solution runs from the upper bottle into the funnel, holding the filter paper, but it cannot fill the funnel completely, because the end of the glass tube is lower than the edge of the funnel, and as soon as the liquid in the funnel covers the end of the tube, all inflow of air into the upper bottle is stopped, and, thereby, further flow of the solution into the funnel prevented, until enough has filtered through to uncover the end of the tube and thus permit air to again enter the upper bottle.—Contributed by G. Simons, Chicago.