Search our collections

Advanced search

Advanced Search Search terms must be longer than two characters. Use a * as a wildcard to widen your search (for example, bagpipe* will find bagpipe, bagpipes and bagpiper).

1 results found

Change view:
Grid view
List view

Specimen / gold / silver / refining / nitric acid / alloy / gold

One of a collection of specimens illustrating the refining of gold and silver by nitric acid - alloy ready for refining - two ingots of impure gold imported from Australia

Keyword search

Advanced search Search terms must be longer than two characters. Use a * as a wildcard to widen your search (for example, bagpipe* will find bagpipe, bagpipes and bagpiper).