This section is from the book "Practical Up-To-Date Plumbing", by George B. Clow. Also available from Amazon: Practical Up-To-Date Plumbing.
A high pattern S-trap for lead pipe connections is shown in Fig. 90, and a high pattern three-quarter and half S-trap for iron pipe connections in Figs. 91 and 92.

Fig. 94.

Fig. 95.

Fig. 96.
A plain three-quarter S high pattern hopper trap, a three-quarter S high pattern hopper trap with hub-vent and three-quarter S high pattern hopper trap with hand hole and cover, are shown in Figs. 93, 94 and 95. A high pattern plain S-trap, a high pattern Strap with hub-vent and a high pattern S-trap with hand hole and cover, all for lead pipe connections, are shown in Figs. 96, 97 and 98.

Fig. 97.

Fig. 98.
The same style of S-traps only for iron pipe connections are shown in Figs. 99, 100 and 101.

Fig. 99.

Fig 100.

Fig. 101.

Fig. 102.
A half S-trap plain, a half S-trap with hub-vent and a half S-trap with hand hole and cover are shown in Figs. 102, 103 and 104.
Sewer gas and back water traps are shown in Fig. 105. They have hand holes and covers and swing check valves to prevent any back flow of water.

Fig. 103.

Fig. 104.

Fig. 105.

Fig. 106.
Brass trap caps with straight and bent couplings are shown in Figs. 106 and 107.
 
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