London : Longman, Rees, Orme, Brown, Green, and Longman · leaf 183
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…
Architecture
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