‘You are invited to see the Earth turn’, extract from an invitation to a scientific demonstration by Léon Foucault (1819-68)
A mesmerising desk ornament inspired by the pion...
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A mesmerising desk ornament inspired by the pion...
READ MORE
PRODUCT DETAILS
Description
‘You are invited to see the Earth turn’, extract from an invitation to a scientific demonstration by Léon Foucault (1819-68)
A mesmerising desk ornament inspired by the pioneering Foucault Pendulum, the first instrument to directly demonstrate the Earth’s rotation in a famous 1851 experiment by the revered French physicist Léon Foucault (1819-68). Suspend the iron and steel bob from the 38cm plastic arm and watch as the tip of the bob gradually inscribes geometric patterns in the sand tray; the angular shifts in the swinging movement is created by the rotation of the planet and moves in accordance with movements predicted in Foucault’s sine law. Foucault’s public demonstration at Paris’s Pantheon proved so popular that it has been replicated by museums ever since. To enjoy the experiment for yourself, simply fill the shallow tray with sand and slot the hanging arm into place; suspend the bob and watch ‘the Earth turn’ for yourself.
Click here to read the instructions.
A mesmerising desk ornament inspired by the pioneering Foucault Pendulum, the first instrument to directly demonstrate the Earth’s rotation in a famous 1851 experiment by the revered French physicist Léon Foucault (1819-68). Suspend the iron and steel bob from the 38cm plastic arm and watch as the tip of the bob gradually inscribes geometric patterns in the sand tray; the angular shifts in the swinging movement is created by the rotation of the planet and moves in accordance with movements predicted in Foucault’s sine law. Foucault’s public demonstration at Paris’s Pantheon proved so popular that it has been replicated by museums ever since. To enjoy the experiment for yourself, simply fill the shallow tray with sand and slot the hanging arm into place; suspend the bob and watch ‘the Earth turn’ for yourself.
Click here to read the instructions.
Size & Additional Information
Plastic, iron, steel and sand
Stands 38cm tall, 18 x 15cm base
Requires simple assembly – slot-together construction
Remove the protective plastic sleeve encasing the metal bob before use
36.5 x 20.5 x 3cm box
Not a toy
Stands 38cm tall, 18 x 15cm base
Requires simple assembly – slot-together construction
Remove the protective plastic sleeve encasing the metal bob before use
36.5 x 20.5 x 3cm box
Not a toy
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Reviews
Overall product rating 3/5
By Mr John Gallehawk
06 May 2024
London
Service Rating:
Sand needs to be pied up for tip of pendulum to touch it. Not obvious how to demonstrate
Thank you for your feedback and for bringing this to our attention. We are sorry to hear that the instructions we not clear. If you have any further questions or need assistance, please don't hesitate to reach out to us. Kind regards, Alice.
By Mr Michael Fuller
06 April 2023
Oldbury
Service Rating:
Haven't seen one of these since Grammar School!
By Mr Martin J Pollock
04 April 2023
Service Rating:
Very basic plastic mount with no adequate instructions to enable you to correctly install it.
Thank you for your feedback. We are very sorry to hear that the instructions were inadequate. We have now added additional instructions on our website. Kind regards, Alice.