Physical description

A cutting or serrated tracing wheel with a wooden handle. The metal arm holding the cutter is inserted into the wooden handle. The circular cutter has sharp spikes (the serrating wheel) which turn.
The box used to store the wheel: Oblong cardboard box with separate lid.
Inscription on top part - black on green background: Nicholson File Co. / Port Hope Ont. / Mae in Canada/Patent / Increment Cut / Warranted / and made from / Best / File Steel

Inscriptions & markings

Cutting wheel: Side 1: B. Humphreys engraved into the metal section holding the spiked wheel. Side 2: Made in England
Box: Hand written in black ink on the bottom of the box: "To Betty / with love/ from Gran"
On bottom end of box: black on green background: Nicholson / Warding Bastard / 1 doz. 4 and a half inch.