aluminium

Giles; aluminium and its bronze in 1864; the transfer process in 1856 by Tearne and Richmond.

Gore found that aluminium was dissolved and that sodium and potassium were attacked by the gas, even before its liquefaction.

At the same time the aluminium sphere is released, and out it floats in the wind tugging at the spring.

A small aluminium sphere was arranged to blow out at the end of a light cord exerting tension on a calibrated spring.