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Josef Dietl
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Individual
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Publication of GB190619582ApublicationCriticalpatent/GB190619582A/en
19,582. Dietl, J. Sept. 3. Ranging-boards e for use in trenching operations are mounted so as to be adjustable vertically in a fitting d, which is supported in and between the sides of the trench by screws c, c.
GB190619582D1906-09-031906-09-03Improvements in and relating to Ranging Boards for Trenching Operations.
ExpiredGB190619582A
(en)