doll house miniatures brass radiator

This is from my Grandmothers collection, she made miniature rooms. I am listing a selection of what I like best to see what happens. Please look at all my listings to save shipping.
She was German so some of these could be antique german.
I believe solid brass or cast iron? as magnet does not attract, Radiator weighing 7.3 oz. ,Stands fine one leg is bent or was just made that way. Measures 2 3/8x 2 3/4 inches.
I am shipping in small flat rate box for $5.60, to insure safety in transport.