Astronomy
1685-1724
Brass quadrant of 23-inch radius with diagonal scales on a wrought iron stand by Butterfield of Paris. The quadrant is fitted with a telescopic sight and an enclosed plumb bob. This fine brass and iron quadrant was displayed at the Special Loan Collection of Scientific Apparatus exhibition held at the South Kensington Museum in 1876.
Weighing & Measuring
1680-1699
Brass folding rule, made by Michael Butterfield, Paris, 1680-1699. Signed 'Butterfield A Paris'.
Microscopes
Microscope of the Leeuwenhoek type, in silver, made by Butterfield, Paris. In fitted leather case
Time Measurement
1678-1724
Pocket sun dial with folding gnomon silver, in fish-skin case, 3 1/16 in lay 2 5/8 in inscribed "Butterfield a Paris", 1678-1724, Paris, France
Horizontal Butterfield-type sundial for latitude 48 degrees 51' (Paris), signed " Butterfield A Paris", in shagreen covered case. French, c.1690 (B1694)
Mathematics
Brass semicircular protractor by Butterfield (B 505; A 85967)
Brass sector, by Butterfield
1628-1724
Universal equinoctial ring sundial (astronomical ring dial) signed "Butterfield AParis". French, c.1700 (B1736)
Gunner's level, brass with iron bob, signed "Butterfield a Paris"
1740-1760
Silver sector, signed "Clerget A Paris au Butterfield", opening to 6 1/2 inches, mid 18th century
