Trying to authenicate the past, of what was on the lines back in the days of steam, with the six pin cross-arms and the 143,s atop, on a Canadian Railway line after the 1910,s era..Documented 143,s Cnr/Gnr, s with 145 B,s, and 133 H.G. co. on the pin, s and 106 hemi, s on the side-pins,,Enjoy the past, as the future, s to fast...