This item was last used at the Ballarat School Of Mines, Flintoff Building Studies Centre, Youille Street, Ballarat. Instructors at the above centre used them. Two pages photocopied from a text book dealing with timber trusses (100-101) are filed for reference.A steel disc equipped with four cutting blades bolted to disc periphery. Disc mounted on a plain shaft, top end can be inserted into a chuck, bottom end enters a pilot hole. Purpose - to produce a circular deep groove in structural timber. Stored in a green wooden box.Stamped on disc top and bottom faces "TECO 418" On front of box, ' "TECO " GROOVING TOOL' On lid of box, "TIMBER ENGINEERING Co - SYDNEY - N S W " Brass hook for closing lid.ballarat school of mines, flintoff building studies, cutting blades, disc, chuck, plain shaft, circular deep grooves

Used in the 19th century.A forged steel long narrow sharp bladed felling axe head without a handle - it has a hole for the handle. It was commonly used to chop down trees as it has a more elongated and rigid blade excellent for deep gouging cuts.The length of the handle, weight of the head and angle of the blade all play a role in just how deep it cuts. It was use din the 19th Century.There is a small grooved pattern on the head where the handle would attach. A circular indentation is evident.woodworking tools, steel, froes, cleaving axes, axes, cutting tools, hand axes, felling axes, axe heads, tool components,