RE: Identifying vacuum tube module

I have some very similar (but not identical) tube modules in my IBM 519 Reproducing punch Mine are the same form factor, but the resistors are lengthwise. I'll attach the image which Kyle will get, but I doubt they will make it on to the list Bob Roswell brosw...@syssrc.com 410-771-5544

Re: Identifying vacuum tube module

> On Mar 25, 2018, at 12:34, Kyle Owen via cctalk wrote: > > Anyone knows what these go to? > > https://imgur.com/a/CpxLs If the 5815 is a Federal Supply Classification, then the module would most likely be used in some sort of teletype or