Other examples found
By: Tick Talk : November 27th, 2014-08:17
Your 4178 typically read GRADUE POUR 30 PULSATIONS but a couple of 1940s examples on Antiquorum had BASE 30 PULSATIONS (for English market I assume) with 12 o'clock centered between the P and U. They also had the 200 scale at 9 minutes. Is there SWISS at ...