Ermak definitions

Ermak

(from the article `Makarov, Stepan Osipovich`) ...ships intended exclusively for that purpose. His armour-piercing shells, known as Makarov tips, greatly increased the penetrating force of shells. ...
Found on http://www.britannica.com/eb/a-z/e/41

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Ermak

Ermak is a cultivated variety of potato.
Found on http://www.probertencyclopaedia.com/browse/QE.HTM

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