There seems to be some interest in patent regulators. I thought it would be good to have one topic that highlighted as many different ones as we could.
Not all patent regulators are found on American watches and relatively few were used on railroad watches. I will post a few of my favorites next.
Please post yours also and if possible get pictures of at least the top page of the patent to post.
Not all patent regulators are found on American watches and relatively few were used on railroad watches. I will post a few of my favorites next.
Please post yours also and if possible get pictures of at least the top page of the patent to post.