John Harrison Style Clock

                                                    Wheel Counts

Great Wheel   144T  Mod 1    

Hour Wheel    96T  Mod 6     Hour Pinion  12L  Mod 1

Intermediate Wheel  Mod 6    Intermediate Pinion  12L M 6

Escape Wheel  60T  3.1/2" Dia   Escape Pinion  24L M 6

Grasshopper Escapement

Ball Races  4 x 1/2" x 3/16     1 x Escape ? small to suit

Driving Weight  10lbs

Pendulums Solid Brass Bobs on 4mm Rods

Ratchet Wheel Drive