Restoring Antique Lamps is easier with a basic understanding of lamp terminology and replacement lamp parts. Lamp Terminology •F: designates a female thread - tapped •M: designates a male thread - threaded •Watts: Volts multiplied by Amps •Amps: Watts divided by Volts •Volts: Watts divided by Amps Lamps fall into two basic categories. Determining your lamp type makes choosing the correct replacement lamp parts easier. • Most table lamps and floor lamps are assembled with threaded lamp pipe and sockets. These lamps use a harp to support a fabric or parchment shade. • Oil Lamps are assembled with electric or oil lamp burners. Glass shades and chimneys are used on student lamps .