Details

P-311

"Description of the Improved Achromatic Telescope"

Engraving, Black ink, Letterpress

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

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

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