Speed Indicator aud Watch Combined.
The new speed indicator can be supplied in any of the usual types, together with a highclass lever watch specially constructed to withstand vibration. A chart which is an ingenious contrivance driven by the clock, is marked oft in hoius and miles per hour ; an arm, to which is attached a pencil, traces the speed at which the car is travelling at any time during a 12 hours run.
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https://paperspast.natlib.govt.nz/periodicals/P19080701.2.13.7
Bibliographic details
Progress, Volume III, Issue 9, 1 July 1908, Page 307
Word Count
74Speed Indicator aud Watch Combined. Progress, Volume III, Issue 9, 1 July 1908, Page 307
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