Sheet glas manufacture, 1765.

Rough sketch of James Nasmyths' apparatus by which most perfect sound speculae may be cast with absolute certainty.

Three sets of chemical apparatus, 1801.

Glas manufacture, 1765.

'Johnny Zero', sheet music cover, 1942.

Engraved dome with scenes from the history of glas making, 1988.

Breaking engine for making half stuff from rags, 19th century.

Breaking engine for making half stuff from rags, 19th century.

Breaking engine for making half stuff from rags, 19th century.

Breaking engine for making half stuff from rags, 19th century.

Electrode.

Silva Combi 2 map measurer, c 1989.