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Updated: May 17, 2025
The ribs should be of 1/2-in. copper piping, the backbone and lesser supports being of iron, 2-1/2 and 1-1/2 in. diameter respectively. In a convenient position for the attendant must be placed the regulating valve.
These drains were connected with pipes leading through the wall at its base. These box drains occurred so frequently, and decreased the section of the wall so materially, that it was thought desirable to tie the wall to the rock. This was done by drilling into the rock holes from 6 to 15 ft. in depth, and grouting into each hole a 1-1/2-in. rod having a split end and a steel wedge.
Should it not be possible to make or procure a bench, then a substitute must be used. The top is composed of one piece of board, 11 ins. wide and 1-1/2 in. thick. This may be used on any ordinary table, to which it should be secured by means of two 3-1/2-in. clamps. The height from the floor should be 3 ft. 2 ins. to top of board.
The outer end of each rod was fitted with a 12 by 12 by 1/2-in. plate and a nut, and extended into the wall, thus tying the concrete securely to the rock. The drains being 6 ft. from center to center, the tie-rods were placed midway between them, and 6 ft., from center to center, vertically and horizontally.
The columns rest on brick piers, each having four 2-in. anchor-bolts. The brick foundations on the west side are wide in order to allow a 24-in. water main to pass directly beneath the columns. The foundations are usually on rock. TW 4, P.N.Y. & L.I.R.R. Terminal Station West. View of 9th Ave. looking Northwest from 32nd Street, prior to commencement of work.
An awl may be used to make the hole a little larger than the nail so that the arms will revolve easily. Suspend a box seat of wood or cardboard from each arm to complete the toy. =Games.= Ring Toss. Use two square pieces of board at least 1/2 in. thick, one piece larger than the other. Bore a hole in the center of the smaller piece with a 1/2-in. auger bit.
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