The Phoenicians, as was only to be expected of those traders and artisans of the ancient world, appear to have adopted both the cylinder of Assyria and the scarab of Egypt as have survived the numerous engraved stones or g pebbles, technically called gems, which served as matrices and in most instances were undoubtedly mounted as finger-rings or were furnished with swivels.
The stranded vessels were protected by nine French gunboats each carrying a 12-pounder carronade and six swivels and rowing between twenty and thirty oars.
sling swivels are mounted on the left side of the stock.
swivels 360 degrees.
swivels through 90 degrees to allow even larger bowl turning.