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Licence | Public Domain Mark | Usage | Available for free download. In the event of reproduction or exploitation of the document or parts thereof, the holding institution asks you, in accordance with usual scientific practices, to provide:
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| Reference | The unit measure of time : address at the opening of Section III, by ... Sandford Fleming, May 27th, 1890. [Ottawa] : [s.n.], 1890. ETH-Bibliothek Zürich, Rar 15780, http://doi.org/10.3931/e-rara-24704 / Public Domain Mark |
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