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Telescope with a diameter of one meter of the Paris Observatory, Observatoire de Meudon - Coupole
LZT26B05_360

Telescope with a diameter of one meter of the Pari...

THE TRANSIT INSTRUMENT. IT CONSISTS OF AN ACHROMATIC TELESCOPE, TO WHICH IS FIRMLY FIXED A DOUBLY
LZT13A29_201

THE TRANSIT INSTRUMENT. IT CONSISTS OF AN ACHROMAT...