Optics Vision Lens Seeing Perspective c.1800-10 American rare prints lot x 11 New South Wales 20 1/4" W x 16

20 1/4" W x 16 1/2" H

18"H x 14 1/2"W

11 1/2" H x  9 3/8" W

Of note for the clear depiction of Korea as an island

Otherwise map remains clean

Optics Vision Lens Seeing Perspective c.1800-10 American rare prints lot x 11 New South Wales 20 1/4" W x 16Optics. (Scientific observation principles refraction mirrors lens sight perspective). Issued c. 1800, Philadelphia. American engravers include J. Yeager, D. Haines, Young & Delleker, C Tiebout, Tiller, R. Campbell. Charming lot of eleven antique copper engraved prints. All display signs of age and time. Various levels of foxing and age browning as seen. Most all with original deckled edges, one double page. Short video captures condition much better