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Does your machine look like this one?
New Home - Quiltingboard Forums
If so, I've seen these mostly called Free Westinghouse or New Home. They do take a no-longer-made-hard-to-find needle, as Janey found on ebay, the CC1221, which is also a Boye 2 1/2. Hopefully some needles and bobbins came with it. The bobbins might be harder to find than the needles, New Home rotary bobbin or Free Westinghouse rotary bobbin is what to look for.
I have (back in my house from my sister) this New Home treadle
New Home Treadle Update, thanks to OurWorkbench and Mickey2! - Quiltingboard Forums
and it is all steel and sews a great stitch. You can find accessories and attachments for these machines, such as a zig zag or button hole attachment, but you might see them with other machines. Here are two others I had that use the New Home rotary system, same bobbin and needle.
The Vandervoort - Quiltingboard Forums
Kenmroe 120-491 - Quiltingboard Forums