R102/0194 Rights Managed
530 pixels on longest edge, watermarked
Uncompressed file size: 50.5MB
Downloadable file size: 4.4MB
Release details: Model release not required. Property release not required.
Keywords: 1800s, 1866, 19th century, adult, annealing, apparatus, artwork, astronomical, astronomy, black-and-white, casting, casting the speculum metal, circular mould, dublin, equipment, europe, european, factory, furnace, glass, great melbourne telescope, grubb telescope company, grubb works, grubb's works, grubbs' works, historical, history, history of, history of science, illustration, industrial, industry, instrument, ireland, irish, metal, mirror, mirror of the, monochrome, onlookers, speculum, technological, technology, telescope, tilting, worker, workers
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