A steel instrument, having the surface covered with sharp-edged furrows.

File

A steel instrument, having the surface covered with sharp-edged furrows.

The label of a Jacksonville packaging company.

Packaging company label

The label of a Jacksonville packaging company.

A kind of metal pin to fasten boards and timbers together, and for other purposes.

Nail

A kind of metal pin to fasten boards and timbers together, and for other purposes.

The scale growing at the end of the human fingers and toes.

Nail

The scale growing at the end of the human fingers and toes.

A wooden nail or pen.

Peg

A wooden nail or pen.

A screw made of iron, and furnished with a sharp thread, for insertion in wood.

Screw

A screw made of iron, and furnished with a sharp thread, for insertion in wood.

Vertical section through the finger end. 1: Nail; 2: Cuticle; 3: Cutis; 4: Groove in Cuticle at the root of the Nail; 5: Bone.

Skin

Vertical section through the finger end. 1: Nail; 2: Cuticle; 3: Cutis; 4: Groove in Cuticle at the…

A screw made of iron, and furnished with a sharp thread, for insertion in wood.

Wood Screw

A screw made of iron, and furnished with a sharp thread, for insertion in wood.