[TR] Lucas wire bullets

[Geo Hahn]

On Fri, Jan 20, 2017 at 12:30 PM, Geo Hahn <ahwahneetr at gmail.com> wrote:

Of course all Triumphs (and most cars) had at least two parts that were
> metric.  Oddly, both these parts had dimensions that were metric and also
> dimensions that were in inches.  No idea why, just how it was done.
>

 The parts I had in mind of course were spark plugs (metric threads but the
reach and hex head are in inches) and tires (185/15 is 185mm/15 inches).

Geo
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