The machine played mechanical music but the organ could also be played by hand. In the pedestal was a working carpenters’ yard.Two planetariums, one showing the solar system, showing 10 months move in 10 minutes, Another showing Jupiter and its 4 satellites, and on the front face was a seascape with ships sailing and in the foreground, horse-drawn carriages galloping and a gunpowdermill and a windmill turning, swans swimming.Beneath a grand arch were 2 astronomical clocks, one showing the Ptolemaic system, the other Copernican.Three scenes which alternated: 9 muses playing musical instruments, Orpheus in the forest, and a grove with birds flying and singing.When on tour, the entrance fee was 1s, which was high for the time.
The astronomical clock was found in Paris in 1929 and is now in the British Museum. It is unclear when the clock left the Bridges family but it continued touring until 1775 when it vanished. When Henry Bridges died in 1754 he left the clock to his three youngest children to be sold. Several prints survive of Microcosm including one of 1734 showing Newton and Bridges. It was first advertised for exhibition in 1733, but it is also claimed that Sir Isaac Newton, who died in 1727, checked the mechanism. It stood 10–12 feet high, and six across the base, it toured Great Britain, North America and possibly Europe as a visual and musical entertainment as well as demonstrating astronomical movements. Microcosm was a unique clock made by Henry Bridges of Waltham Abbey, England. Contents were developed by CERN in collaboration with spanish design team Indissoluble. The current exhibition officially opened in January 2016. Entrance is free, without reservation, open 6 days a week. Microcosm is located at CERN in the Canton of Geneva, Switzerland, near the town of Meyrin.
The annex to the exhibition contains other historical artifacts such as the central tracker from the UA1 detector, which ran at the Super Proton Synchrotron at CERN from 1981 to 1984, and helped discover the W and Z bosons. The computing section displays some of the Oracle data tapes used to store the 30-40 petabytes of data produced yearly by the experiments, made available for analysis using the LHC Computing GRID. The exhibition continues with a 1 :1 scale model of a complete slice through the CMS experiment at the LHC. Visitors can interact with the displays to try their hand at the controls of a particle accelerator – simulating the acceleration of protons in the LHC and bringing them into collision inside the experiments.
The exhibition displays many real objects, taking visitors on a journey through CERN’s key installations, from the Hydrogen bottle, source of the protons that are injected into the LHC, through the first step in the accelerator chain, the Linac, on to a model of a section of the Large Hadron Collider including elements from the superconducting magnets. Microcosm is an interactive exhibition presenting the work of the CERN particle physics laboratory and its flagship accelerator the Large Hadron Collider (LHC).
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