Micrometer Screw Form, with built-in micrometer. A metal rod 500 x 4.5 mm (L x
d) enclosed in a nickel plated brass tube with three tubules for steam inlet, outlet and thermometer. The metal rod
under
investigation is supported in the centre of steam jacket. The micrometer screw reading to 0.01 mm at the
opposite end for
measuring the expansion when rod is heated by steam. Supplied complete with copper, brass and iron
rods but without
thermometer.
