Product Code : HA-PHET-0001
Fixed on polished wooden base, single barrel made of steel pipe with stopcock....
Product Code : HA-PHET-0002
GRAVESANDE - Ring and Ball with Chain. An apparatus for demonstrating thermal expansion, comprising a captive brass ball secured to a mounted brass ri...
Product Code : HA-PHET-0003
Ring and ball, mounted on separate handle ball....
Product Code : HA-PHET-0004
For illustrating expansion by heating and contraction by cooling....
Product Code : HA-PHET-0005
Heavy cast iron base with 4 uprights....
Product Code : HA-PHET-0006
Consisting of a nickel plated copper vessel with outer vessel of teak wood...
