11-14-2014, 02:01 AM
Arran:
The early version used a hex knob with a set screw. With this tuning mechanism you pull the knob (and shaft) out to engage the fine tuning drive. The later version used the two piece knob that you described. The following link shows a side-by-side comparison:
http://www.tuberadioland.com/philco16b_tombstones_1_2_side_by_side.html
All the best,
Allen
The early version used a hex knob with a set screw. With this tuning mechanism you pull the knob (and shaft) out to engage the fine tuning drive. The later version used the two piece knob that you described. The following link shows a side-by-side comparison:
http://www.tuberadioland.com/philco16b_tombstones_1_2_side_by_side.html
All the best,
Allen