You must go in, Laura, and see the self-feeding racks.

In Messrs. Maudslays' plan of a self-feeding furnace the fire bars are formed of round tubes, and are placed transversely across the furnace.

Singer automatic self-feeding bobbin winders nos.126467-126468, 126470, and 150016.

Singer automatic self-feeding bobbin winders nos.126467-126468, 126470, and 150016.