Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Popham, F.J.', amser ymholiad: 0.00e Mireinio'r Canlyniadau
  1. 1
    Preservation of Indian timbers – the open tank process

    Preservation of Indian timbers – the open tank process gan Popham, F.J.

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  2. 2
    Summary of results of treated experimental sleepers laid in the various railway systems of India, brought up to Date

    Summary of results of treated experimental sleepers laid in the various railway systems of India, brought up to Date gan Popham, F.J.

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