• English
    •    Hygyrchedd

    Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6206340
    Disgrifiad
    Photocopy of article entitled: 'Manufacture of solid drawn steel tubes' by J. A. Richards, from G. W. R. Mechanics Institution, pamphlet No. 137: Transactions of the Swindon Engineering Society 1922-23.
    Cofnod Casglu
    Additional Information
    Cyfrwng
    Text, Graphic.
    Cychwynnwr
    J. A. Richards
    Dyddiad
    1922 to 1923