If anybody actually wants to build one I have the important part, motor driven with solenoid operated cam driven punches; would only need a suitable interface and maybe a cabinet.
Don't know if it would be worth while with today's shipping costs though, unless you're local in the Toronto area. m On Mon, Feb 21, 2022 at 7:33 PM ben via cctalk <cctalk@classiccmp.org> wrote: > On 2022-02-21 3:11 p.m., Paul Koning via cctalk wrote: > > > > > >> On Feb 21, 2022, at 4:26 PM, Guy Fedorkow via cctalk < > cctalk@classiccmp.org> wrote: > >> > >> [apologies if this is a dup, but I didn't see it coming back in any of > the cctalk digests] > >> > >> Greetings CC-Talk, > >> I've been working on a low-budget project to help to introduce > students to history of computing through material we have from MIT's 1950's > Whirlwind project. The activity would have more of a hands-on feel if we > could use actual paper tape. > >> A simple reader is easy enough, but a punch is a bit harder. We > don't need anything "authentic", or fast, or high performance, just > something fairly reliable. > >> If anyone can suggest where to find such a machine, could you let > me know? Fanuc PPR, GNT 4601/4604, and the DSI NC-2400 have been cited as > possible candidates, but I don't see anything that looks like a good match > on ebay. > >> > >> Thanks! > >> /guy fedorkow > > > > Do you mean a punch as a computer peripheral, or a keyboard operated > tape punch? For the former, the ones you mentioned are obvious choices; > BRPE is another. Also the DEC paper tape reader/punch (PC01 or some such > number). > > > > For keyboard operated, there's Teletype, Flexowriter, Creed, Siemens, > depending on where you're located. ASR33 is a common 8-bit punching > terminal. Older models that use 5-level tape ("Baudot") may also be > around, and those could certainly serve for 1950s era machines that may > well have actually used those. I don't know what Whirlwind used, but I > know some other 1950s machines that used 5 bit tape for their I/O. > Electrologica X1 is an example. > > > > paul > > > > This requires a REAL MACHINE SHOP ... none this 3d printer stuff. I > would recommend a building a 35mm film punch and reader, as film stock > is still easy to find compared to paper tape. Zuse used them for his > computers in Germany on the 40's. Quality Mechanical stuff is lost high > tech. > Ben. > > >