BALLAST n.
Fig.: That which gives, or helps to maintain, uprightness, steadiness, and security. It [piety] is the right ballast of prosperity. Barrow. Ballast engine, a steam engine used in excavating and for digging and raising stones and gravel for ballast. -- Ship in ballast, a ship carring only ballast.
CARBON n.
rd by clockwork so that, as it is burned away by the electric current, it shall contantly maintain its proper relation to the opposing point. -- Carbon tissue, paper coated with gelatine and pigment, used in the autotype process of photography. Abney. -- Gas carbon, a compact variety of carbon obtained as an incrusta…