Vacumatic feeds

[jhoch]

Just curious about the letters on vac feeds.

 

I have a few vacs with an A (allegedly for narrow channel feeds for accountant nibs) and have seen some with a W (allegedly for wide channel feeds with broader nibs). I also have an early 40's major with a V on the feed (the nib is XF to needlepoint). I'm sure nib "swap-age" has contributed to some confusion over the years..... but are there more letters than these? and is there any definitive meaning attached to each letter?

[penmanila]

i have over 50 vacs, and i haven't seen any feed markings aside from the A and the W you describe above (and maybe the V as well--can't recall just now). am not aware that others exist.

[Buzz J]

V is a new one to me as well! You might toss up a picture if you can.