Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Metal fittings for standard pit props
Device introduced by T. Croston for equipping wooden props so that they can be withdrawn without damage and used again; fittings can be used repeatedly, even if wooden props break or become unserviceable.
Metal fittings for standard pit props
Device introduced by T. Croston for equipping wooden props so that they can be withdrawn without damage and used again; fittings can be used repeatedly, even if wooden props break or become unserviceable.
Metal fittings for standard pit props
Colliery Guardian
1928
2 pages
5 Figs.
Standard
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
British Library Online Contents | 1996
| Engineering Index Backfile | 1932
Engineering Index Backfile | 1952
| Engineering Index Backfile | 1929