On the Development and Distribution of Primitive Locks and Keys is a comprehensive and scholarly exploration of the origins, evolution, and geographical spread of early locking mechanisms. Authored ……続きを見る
Benin is situated on the Guinea Coast, near the mouth of the Niger, in latitude 6·12 north, and longitude 5 to 6 east. It was discovered by the Portuguese at the end of the fourteenth or commencemen……続きを見る
