Plumb line and weight Royal Museums Greenwich

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Royal Observatory Royal Museums Greenwich

Flamsteed House

Shades of Grey: November 2014

Telescope: Flamsteed's Mural Arc (1689)

Flamsteed House

Royal Observatory Royal Museums Greenwich

Cutty Sark: a museum classic with an eventful past

Telescope draw tube Royal Museums Greenwich

Accessibility at Royal Museums Greenwich

Royal Observatory Royal Museums Greenwich

Measurements hi-res stock photography and images - Alamy