The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 328
Kg. . three parts : A, the centre piece, B the expanding tube, and C thedie, to be made of iron, brass, or other suitable material. The centre piece, A, is secured to the plate D by a spindle, and theexternal expanding tube B is also secured to the plate D by screws orbolts, and the die C is…
Architecture · Civil engineering · Science
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