This section is from the book "Cassell's Cyclopaedia Of Mechanics", by Paul N. Hasluck. Also available from Amazon: Cassell's Cyclopaedia Of Mechanics.
Figs. 1 and 2 show an elevation and plan of a rifle rack for a tent pole. The rack is made of birch or beech wood lin. thick by 2 1/2 in. wide, jointed in the centre by a hinge Aon the front edge. A semicircular groove is cut on the back edge, a hoop-iron plate B (Fig. 2) being fixed on each side, so that the pi-o.jecting ears C are 1/2 in. apart. A 1/4-in. bolt, having a small wing nut fitted on the end, passes through both ears; this nut, on being screwed up tight, fixes the rack in any position on the pole without damaging it. For suspending belts from a tent pole, an iron clamp made to Fig. 3 to encircle the pole is required; it is jointed in the front to allow of it expanding so that it will take off and on, and is fixed at the back by a bolt in a similar manner to the rack (Figs. 1 and 2). To take the bolt, it will be necessary to turn down the ears as shown in Fig. 4, otherwise the bolt will be in the way of the pegs D ( Fig. 3). These pegs are about 6 in. long by npin. round iron, and are riveted into the clamp.



Fig. 4. Rifle and Belt Racks for Tent Pole.
 
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