I need a little help with two insulators I found today. The first is lagre when the second.Big one is W.E. mfg. co. pat. in dec.19.1871 also W.U. on it. Second is Brookfield 45 Cliff st. NY. aslo has a #4 on top. any in put would help. (Age, Value). Thank you!!! P.s. having abit of trouble uplouding pic.