Record

Reference numberMOB/106
LevelItem
TitleSpeculum mirrors
ArtistElder, Brad
Date2018
DescriptionTwo modern mirrors of speculum metal (67% copper, 33% tin) of the type used by Sir Isaac Newton in his reflecting telescope, made using an open-face mould. Housed in a wooden presentation box with a label on the lid inscribed 'Earth Shaker Foundry'
Extent2 artefacts
FormatArtefact
MaterialsCopper, tin
Dimensions50.8 mm (d)
Access statusOpen
ProvenanceDonated to the Royal Society by Brad Elder, Earth Shaker Foundry, Nebraska, 2018
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    Browse the records of some of our collections, which cover all branches of science and date from the 12th century onwards. These include the published works of Fellows of the Royal Society, personal papers of eminent scientists, letters and manuscripts sent to the Society or presented at meetings, and administrative records documenting the Society's activities since our foundation in 1660.

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