This is a pattern which was used on many of the more basic country Longcase eight day & thirty hour clocks.
The pendulum bob is approximately 4" in diameter (100mm) cast in one piece of lead. The pendulum bob has an accurate 3/8" x 3/16" (9.50mm x 4.75mm) slot running through the centre to take our standard Brass and Steel Longcase pendulum flats.
Diameter of Lead pendulum bob 4" (100mm)
Weight 1.2kg
This bob will fit our standard Longcase Steel & Brass Pendulum flats & rods which are threaded 5BA.