US$ 25.00
the wooden storage box housing optical-grade shapes for dispersion
Millimeter-graphed 100 x 75mm screen on a 2
Used to receive Morse code signals as audible clicks
at plus-or-minus 10% nominal-value tolerance
Set of 20 Alloys, Wooden Case Included_Rod & Base the wooden storage box housingSet of 20 different alloys supplied in wooden case Set of 20 different alloys supplied in wooden case with glass top. Each specimen labelled with name.