P-311

Work on Paper

Broadsides

"Description of the Improved Achromatic Telescope"

Unidentified

Engraving, Black ink, Letterpress

	Imperial(in)		Metric(cm)
Height			30.2
Width			18.8
Depth
Diameter
Circumference

--------------------------------------------------------------------

	Imperial(in)		Metric(cm)
Height			33
Width			21.2
Depth
Diameter
Circumference

	Imperial(in)		Metric(cm)
Height
Width
Depth
Diameter