"Separately excited dynamo. Current for field excitation is supplied by a second and smaller generator." — Hawkins, 1917

Seperately excited dynamo

"Separately excited dynamo. Current for field excitation is supplied by a second and smaller generator."…

"Effect of breaking a magnet into several parts. If a magnetized needle be broken, each part will be found to be a complete magnet having a N and S pole." -Hawkins, 1917

Separating a magnet

"Effect of breaking a magnet into several parts. If a magnetized needle be broken, each part will be…

Device for separating, by means of an electromagnet, magnetic particles in a slurry from the remainder of the particles in the mixture. Used in the recovery of medium in heavy-media separation.

Magnetic Separator

Device for separating, by means of an electromagnet, magnetic particles in a slurry from the remainder…

An illustration of the division of a zygote of Cyclospora Cayetanensis into two sporoblasts.

Division of Zygote

An illustration of the division of a zygote of Cyclospora Cayetanensis into two sporoblasts.