🚀 go-pugleaf

       Just about any transformer in the 1200 - 1500 volt range should
work  as long as the current rating is correct.
Going to Hammond sounds a little expensive, and maybe a little
slow.  There is a good surplus company in Lima, Ohio called Fair Radio
Sales.  THey have a very large inventory of xfmrs at dirt cheap prices.
I'm afraid my catalog is out on an extreme long term loan (never to be
seen again), but you could try any one of the amateur radio magazines
for an address and a phone number.

regards,

Brad Hare
sys. eng.
Spectra Physics

P.S.
      If you need any further (unofficial) help email me at the above
addr.  I am with the Infrared Diode Laser division (Laser Analytics)
but  I have had some experience with the other product lines from my
academic days.	
I am limited to information of a non- proprietary nature, but that should still
cover a few problems.