The CRT leaded glass from TVs and computer monitors is hard to get rid of in some states. In some states it is illegal, or others, it is restricted in other ways. I am not sure about the boston area, however I do know that every best buy will charge you $10 per CRT for recycling, and then give you a $10 gift card in return. I see people take advantage of that in so many ways, but if you can avoid best buy, I would do that.
If your municipality has no qualms over taking leaded glass tubes, then many scrappers will recover the CRT and set it to the curb... "How do I know?" you may ask. I have cracked open a few monitors that have been missing the guts before.
Also, there are no precious metals in the computer monitors, and TVs. These are considered "low grade" boards. As for the refining of "high grade boards
" or boards that have precious metals, I would guess you will not be doing any grinding. Unfortunately, the only efficient and cost effective method involves chemicals.