And I really did re-measure the frame. ST: 62CTT. TT: 54.5 CTC
I'm guessing the ST angle must be pretty high and the HT angle low. 73/70? The 25" Atala I did up for my dad was 70/70. Nicest riding (and looking) gaspipe bike ever.
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The bicycle, the bicycle surely, should always be the vehicle of novelists and poets. Christopher Morley