H33

Good Wheatstone Bridge 1930s.

Central Scientific.

$175

S10

Gold leaf Electroscope. Height 10” Scale

on glass crisp & clear. Cast Iron tripod base c.1910

$115.

L31

Landolt Research Polarimeter

Please see description with photograph

$725

H37

Two Galvanometer Scales

See photo for prices

H38

Small Calorimeter Set 1920s

$95.

P92

Fine  Gregorian Library Telescope

by W & S Jones,

See photos for description

$6500.

L14

Rotating Coil Loop for studies of earth's

magnetic field. Height 17” on heavy tripod

stand  c. 1900

$95