place it a lever carrying a plate with the words ‘‘early,” “late,” position by a ring of filter paper which is destroyed through two pierced corks, as shown in the engraving, “closed,” the extremity of the lever being slotted to on coming in contact with the water. The knife ac- one cork being… … after the first contact, when the the water and on rising carries a hour hand reaches the second drop with it which is at last de- contact, a check cannot be inserted, and the word of paper, falls on a glass point, breaking it.’ The liquid posited at the beginning of the spiral. The drop is…
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![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep02muss-227-51.webp)
