Mahi whakairo

Complete adze Cross-section is trapezoidal with the back much narrower than front, indicated by a strong line running the length of the back. Surface is ground Major differentiation between butt and blade, sides are tapered Bevel is demarcated by a line. Cutting edge is very sharp and slightly curved

Complete unfinished adze. Light greenstone. Quadrangular cross-section. The surface is mostly ground with flaking on the proper right side and a saw mark and flaking on the proper left. There is no distinction between the butt and the bevel. The sides of the blade taper in towards the poll. The bevel is smooth and demarcated by a straight oblique ridge. The cutting edge is irregular and chipped.

Broken adze, lower part of the blade only oval cross-section. Ground surface with bruised surface at the sides and on the back, outlining the bevel and the spine down the back. The piece of adze is the blade and bevel only, there is no butt The bevel is demarcated by the bruised surface outlining it. The bevel is curved, and the cutting edge is curved, asymmetrical and sharp.

Waka huia without a lid. Made from kapuka wood; dark brown in colour. Rectangular in shape and in cross section; slightly rounded on the bottom. Simple grooved knobs on each end, one of which has a perforation for a suspension cord. Exterior is carved in a rauru (double spiral) pattern, with three on the bottom and four on each side. Interior is smooth and undecorated.

Broken adze (blade remaining). Pounamu. Dark green, white. Cross-section is trapezoidal, with back narrower than front. Surface is ground. Butt not present. Bevel is continuous with blade. Cutting edge is blunt and curved. "Lower Portobello" written on front.

Complete pounamu chisel. The cross section is asymmetric. The surface is ground with flaking on the back. There are light sawing marks on the proper left. The bevel is demarcated by a diagonal straight line. The point is straight and blunt.

Complete adze. Asymmetrical. Surface is ground, with sporadic flaking and bruising. Butt undifferentiated. Bevel is demarcated by a straight line, and tapers down to cutting edge. Cutting edge is smooth, sharp, and straight, with minor chipping.

Complete Very roughly rectangular. Narrows significantly in the sides towards the poll. The surface is ground with slight flakes. No differentiation between the blade and the butt. The bevel is curved and continuous with the blade. The cutting edge is curved and sharp.

Complete adze Cross-section is oval. Surface is bruised. Flaking at poll. Undifferentiated between butt and blade. Sides taper towards poll. Back slopes up towards poll. Bevel and cutting edge unfinished. Cutting edge as is is very blunt and straight.

Complete adze. Asymmetrical at poll, rectangular at blade. Surface is ground with some flaking at poll and front of butt. Butt undifferentiated. Bevel is demarcated by two straight lines meeting at an off-centre apex.

Complete unfinished chisel. Greenstone. Trapezoidal cross-section with the back narrower than the front.The surface is ground on the back, with flake scars on the butt and front. The bevel is demarcated by an oblique straight line. The cutting edge is curved and sharp.

Complete Trapezoidal with back narrower than front. Front of blade is mostly bruised with small ground area at bottom portion. Distinct flake scars around the poll portion. Back of blade is also bruised with flake scars. Flaking present at bevel. No differentiation between butt and blade. Bevel is continuous on blade. Cutting edge is slightly curved and blunt.