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Canadian jeweller 1890 (1890)

Canadian Jewellers Association · Toronto : Maclean-Hunter Pub. Co · leaf 534

An illustration from Canadian jeweller 1890, 1890, leaf 534
the atmosphere with reference to humidity may influence the rates, but careful experiments have fail-ed to develop any law for varia-tions in this case. There is no certainty as to how any particular chronometer will be affected from a change of humidity ; of two chronometers one may gain and the… … IHI RlfOS I VI ANN ( ONDEN ture records sent in by our ships from all parts of the world,that the average temperature of < hronometers has been a fra< lion over 69 Fah. In consequence, chronometer makers try tocompensate their chronometers so that they shall have theirgreatest gaining rate at…

Jewelry · Jewelry trade

Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.

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