1967 New England Clock Brown Wood Nils Magnus Tornquist American

This is a unique and beautiful cuckoo clock made by the renowned New England Clock company. The clock features intricate wood carvings and a timeless design that will enhance the decor of any room. The clock was created by Nils Magnus Tornquist in 1967 and has been cherished as an antique since then.
I have no idea how to test this, and am happy to if given basic instructions but all the parts are there as shown including the cuckoo bird. Happy to try to answer any questions, this is a fun antique find