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The Iron Age 1883-10-25: Vol 32 Iss 17

1883 Reed Business Information US

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Tk ae A ees The Iron Age Published every Thursday Morning by Davip Wituiams, No. 83 Vol. XXXII: No. 1 Composite Steel Nails. It is hard to see how permanent profits can be realized from the use of any of the srocesses for utilizing old steel rails which | include as their essential idea the welding of the pieces of rail one to another, either by rolling or hammering. The latest plan pro- A Review of the Hardware, Iron and Metal Trades. 9. | . New Vi ork, T, hursday, October 25, 188}. Hydraulic Cranes for Steel Works. The question of security against fracture | crane becomes apparent. For the improve- | is in all cases of the utmost importance, | ment of the center crane, it ‘s not necessary The hydraulic crane, as stated by Mr. | The first condition for the efficiency of the | to insist upon the economy of using hydraulic R. M. Daelen in a paper recently read before | center crane is that of facility of movement power, because this apparatus does not the British Iron and Steel Institute, occupies | and exactness in stopping over the middle | maks more than three or four lifts per oper- the most important place among the hy-|of each mold. The usual system is thit | ation—that is, 90…

Citation

The Iron Age 1883-10-25: Vol 32 Iss 17. Reed Business Information US. 1883.