Prime Meridian Spinney Keyring | Time & the Prime Meridian | RMG Shop – Royal Museums Greenwich Shop
Prime Meridian Spinney Keyring

Prime Meridian Spinney Keyring

Regular price $11.00 Sale

Why not adorn your keys with our super, sleek and stylish Zero Degrees Spinney Keyring, which features our famous 00º 00’ 00” Prime Meridian of the World design; The smallest, innermost sphere rotates vertically, then the ring surrounding it spins horizontally, making it the perfect souvenir from the home of time.

In 1884 the Prime Meridian was defined by the position of the large 'Transit Circle' telescope in the Observatory’s Meridian Observatory. The transit circle was built by Sir George Biddell Airy, the 7th Astronomer Royal, in 1850. The cross-hairs in the eyepiece of the Transit Circle precisely defined Longitude 0° for the world. As the Earth’s crust is moving very slightly all the time the exact position of the Prime Meridian is now moving very slightly too, but the original reference for the prime meridian of the world remains the Airy Transit Circle in the Royal Observatory, even if the exact location of the line may move to either side of Airy’s meridian.

This Spinney Keyring is exclusive to Royal Museums Greenwich and is part of our Prime Meridian & GMT collection.

Specifications:

Measurements:

Keyring 3.4 cm wide by 7.5 cm long 

Washable: wipe clean only 

Warning:

Not suitable for children under 36 months due to small parts - Choking Hazard.

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    Our standard processing
    and fulfillment time is 1-2 working days from the time you placed your order, excluding Custom Prints, online-only telescopes and personalised clothing.

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    Custom Prints (those which are customised by choosing a size and frame) and personalised clothing take a little longer to fulfill due to being made to order.

    Please see our Delivery & Returns page for more information and last order dates.

    Online-only telescopes are shipped directly from Celestron.

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    Custom Prints (those which are customised by choosing a size and frame) and personalised clothing take a little longer to fulfill due to being made to order. Please see our recommended last order dates for these items on our  Delivery & Returns page.

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    Please see our Delivery & Returns page for all information.

  • Returns Policy

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    Custom Prints (those which are customised by choosing a size and frame) and personalised clothing are made to order and therefore we are unable to offer a refund or exchange, unless they are faulty.

    Please see our Delivery & Returns page for full information.

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