From Left to Right:
Mid 19th Century Sailor Made Whalebone and Whale Ivory Swift with Polychrome Scribe Lines on Cup and Clamp Base

Fine Mid 19th Century Sailor Made Whalebone and Baleen Swift on Mahogany Three-Tier Sewing Stand with four thread openings and two drawers
Height 18 ½ in.

Large Mid 19th C. Sailor Made Whalebone and Whale Ivory Swift with Polychrome Scribe Lines on Upper Yarn Cup, Mother of Pearl and Tortoise Shell Inlays on Clamp