ClipArt ETC
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…

"Modern dynamo with four consequent pole field magnets. In this construction the ring shaped yoke also serves as a frame; the circular form of yoke gives the least chance of magnetic leakage." — Hawkins, 1917

Multi-polar field magnet

"Modern dynamo with four consequent pole field magnets. In this construction the ring shaped yoke also…

Illustration of a variety of pears. including: 1. Imperial Gage 2. Jalousie de Fontenay Vendee 3. Breda.

Variety of pears

Illustration of a variety of pears. including: 1. Imperial Gage 2. Jalousie de Fontenay Vendee 3. Breda.