here's what i've always wondered about this gauge (my 71 has the same) :
is the slash mark between the 100 & 210 the half way point, or 155 degrees ? & is the slash between the 210 & the 250 230 degrees ? anyone really know ?
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71 Formula 400, Castillian Bronze, Saddle Interior:
https://youtu.be/cfEv-1vKc0k
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