Genre:

Miscellaneous

Subjects:

Dynamics, Microbiology, Light, Astronomy

    The article consists of extracts and anecdotes relating to precision in various fields. It includes an assertion of the possibility of accurately ascertaining the motion communicated by a fly to the earth on its landing, observations on the number and size of animalcules, observations on the number of 'particles of light' issuing from a candle, and an anecdote relating to the precision of timing required in observing an eclipse.