Hello! I recently acquired a Binder loom built by WH Binder in Pasadena, CA sometime between the 1930s and 1950s. I have managed to put the loom together and it has all of the hallmarks of a Binder loom (springs beneath the treadles, a front ratchet structure that is the same as photos that have been shared with me) but the back warp beam is strange. Every other Binder loom I have heard of uses sisal rope as a tension/braking system. However, my loom has a cast iron ratchet device on my back warp beam instead. Has anyone seen anything like this or know of other looms with this feature? Worryingly, I still have a spring that I cannot find a place to attach. Any feedback/information would be much appreciated! I tried to add a photo to this post but it is just posting as html- if a photo would be useful I can try to upload again.
Best,
Kirsten