. The Architectural magazine. a7id a Description of the Metallic Trusses used. 171 a part of the end of the beam.I Another casting (w, in Jig.72.) is seen more at large inJigs. 76, 77, and 78. In Jig.76., d shows the centre partof the beam : in Jg. 77- thecentre part of the beam,15 in. by 15 in., is seen at e;yis the cast-iron jaw, ^ is the2| in. bolt, and k a rim of iron 7 8ths of an inch square.In Jig. 78. part of the bottom of the beam is shown at / /. Thiscasting forms a sole plate, which lies against the bottom of thebeam, in the centre of its length, and it has a cast-iron jaw {J, in 77

. The Architectural magazine. a7id a Description of the Metallic Trusses used. 171 a part of the end of the beam.I Another casting (w, in Jig.72.) is seen more at large inJigs. 76, 77, and 78. In Jig.76., d shows the centre partof the beam : in Jg. 77- thecentre part of the beam,15 in. by 15 in., is seen at e;yis the cast-iron jaw, ^ is the2| in. bolt, and k a rim of iron 7 8ths of an inch square.In Jig. 78. part of the bottom of the beam is shown at / /. Thiscasting forms a sole plate, which lies against the bottom of thebeam, in the centre of its length, and it has a cast-iron jaw {J, in 77 Stock Photo
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The Reading Room / Alamy Stock Photo

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2AFR2CT

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1786 x 1400 px | 30.2 x 23.7 cm | 11.9 x 9.3 inches | 150dpi

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