"Parts shown are handle, A; sleeve, B; safety lock, C; cocking peice, D; safety lug, E; extractor, F; extractor collar, G; locking lugs, H; extractor tongue groove, I, and gas escape hole, J." — Moss, 1914

Bolt mechanism

"Parts shown are handle, A; sleeve, B; safety lock, C; cocking peice, D; safety lug, E; extractor, F;…

"Cowan's rapid Extractor." — The Encyclopedia Britannica, 1910

Cowan's Extractor

"Cowan's rapid Extractor." — The Encyclopedia Britannica, 1910

"Cowan's four-frame Extractor; interior." — The Encyclopedia Britannica, 1910

Cowan's Extractor

"Cowan's four-frame Extractor; interior." — The Encyclopedia Britannica, 1910

"Hruschka's extractor, first brough to public notice in 1865, may be said to have revolutionized the bee-industry as a business. It enabled the honey producer to increase his output considerably by extracting honey from the cells in most cleanly fashion without damaging the combs, and in a fraction of the time previously occupied in the draining." — The Encyclopedia Britannica, 1910

Hruschka Extractor

"Hruschka's extractor, first brough to public notice in 1865, may be said to have revolutionized the…

Diagram of a rifle.

Diagram of a rifle

Diagram of a rifle.

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…

Stump pullers are the primitive method of extracting stumps. This method is to hitch on a yoke of oxen, and after cutting away the earth from around the stump as much as possible, drag the latter from the soil by main strength. Explosives are frequently employed to blow the stump to pieces.

Stump Puller

Stump pullers are the primitive method of extracting stumps. This method is to hitch on a yoke of oxen,…