1695 in science

Technology

• English clockmaker Samuel Watson produces the "Physicians pulse watch", the first watch with a lever that stops the second hand, i.e. a stopwatch.

Events

• Gottfried Leibniz publishes his "New System of the Nature and Communication of Substances".
• Denis Papin moves from Marburg to Kassel and publishes Recueil de diverses pièces touchant quelques machines.

Births

• February 2 – William Borlase, Cornish naturalist
• February 6 – Nicolaus II Bernoulli, Swiss mathematician
• May 3 – Henri Pitot, Italian-born French engineer
• August 4 – William Oliver, Cornish-born English physician
• November 10 – John Bevis, English physician and astronomer

Deaths

• January 26 - Johann Jakob Wepfer, Swiss pathologist and pharmacologist
• July 8 – Christiaan Huygens, Dutch mathematician and physicist
• December 30 – Samuel Morland, English inventor