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Old 02-07-2021, 09:25 PM   #3731 (permalink)
freebeard
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What do you mean by convex? I see a prefiguring of current practice:


https://upload.wikimedia.org/wikiped...9_1Y7A5961.jpg

As for the back slope, compare with GM's EV-1


https://upload.wikimedia.org/wikiped...1_Dcp03502.jpg

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