A bookcase, or bookshelf, is a piece of furniture, almost always with horizontal shelves, used to store books. A bookcase frequently has doors that may be closed to protect the books, bookshelves are open-fronted. These doors are usually glazed, so as to allow the spines of the books to be read.

Adjustable Multi Level Bookcase

A bookcase, or bookshelf, is a piece of furniture, almost always with horizontal shelves, used to store…

An office chair, or desk chair, is a type of chair that is designed for use at a desk in an office. It is generally comfortable and adjustable and can swivel 360 degrees.

Adjustable Office Chair

An office chair, or desk chair, is a type of chair that is designed for use at a desk in an office.…

This tool allowed easy tailoring of clothes; featuring an adjustable arm to fit garment lengths.

Frame, Clothes

This tool allowed easy tailoring of clothes; featuring an adjustable arm to fit garment lengths.

"In machinery, a drum of adjustable diameter used with a belt to effect changes as desired in the speed of machinery." -Whitney, 1911

Expansion Drum

"In machinery, a drum of adjustable diameter used with a belt to effect changes as desired in the speed…

"A shunt-wound dynamo with an adjustable resistance, R." -Avery 1895

Shunt-wound Dynamo

"A shunt-wound dynamo with an adjustable resistance, R." -Avery 1895

This is an adjustable piece of jewelry where certain pieces can be moved and adjusted to users preference.

Adjustable Jewelry

This is an adjustable piece of jewelry where certain pieces can be moved and adjusted to users preference.

A wrench with two serrated jaws, one adjustable, for gripping and turning pipe.

Adjustable Pipe Wrench

A wrench with two serrated jaws, one adjustable, for gripping and turning pipe.

A pipe wrench is a tool used to provide grip when applying mechanical advantage towards pipes and tubes.

Adjustable Pipewrench

A pipe wrench is a tool used to provide grip when applying mechanical advantage towards pipes and tubes.

This design features an adjustable plough allowing for the wing to pivot.

Landscaping Plough

This design features an adjustable plough allowing for the wing to pivot.

"Adjustable sled-marker." — Baily, 1898

Adjustable sled-marker

"Adjustable sled-marker." — Baily, 1898

The legs of the Antique tables are frequently of bronze and adjustable. The table-tops are often made of stone or wood.

Antique Table

The legs of the Antique tables are frequently of bronze and adjustable. The table-tops are often made…

"This can be opened more or less, thus making it broader, or closed, making it more upright and narrow. It is much handsomer and more desirable than the ordinary stationary ones."—Heinrich, 1887

Adjustable Pot Trellis

"This can be opened more or less, thus making it broader, or closed, making it more upright and narrow.…