Ugh. Many varieties, tons of colors. Lionel and Ives used em. 48W 1937-1942 1012 (Winnertown or station) trans inside, 3 binding posts. 1932ish 1027, 1028, 1029 (Station or nothing) Lionel Jr line trans inside , 2 binding posts, 1 control handle. 1933-1937 1560 Station for mechanical trains, nothing inside
JHZ..yours is a 1012... posts are common, GV (i do not know what this means) and 7.5 v. I dont know order.