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imageIn case you didn't see this ...Stirling Engine Kit. British invention - this motor works by almost magical principles

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Calendars

I find it hard to remember what day my birthday was on this year - let alone what day the Americans threw our tea into the harbour. Calendars are tricky because of leap years and Pope Gregory and rhings. Gadgets are in every trinket shop calculating the last 50 years - but ours go back hundreds of years - and forwards into future centuries. Antique calculating machines are a wonder of the inventiveness of the human mind. And you could do with one on your desk.
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Perpetual Calendar
Perpetual Calendar
£49.00 (incl VAT)
Our Perpetual Calendar works for any date from 1600! This is unusual. It even works into the future - as far as 2799 by when we'll either be all souls, aliens or mechanoids. A lovely brass instrument to treasure and keep on your desk. (H27)
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Perpetual Calendar (greetings card)
Perpetual Calendar (greetings card)
£7.00 (incl VAT)
A Perpetual Calendar enabling any one to quickly find the DAY of any DATE from 1600! And I don't mean four o'clock! A gorgeous greetings card like you've never seen before - a fun and unique gift in itself. (A508)
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