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Directions for making the best composition for the metals of reflecting telescopes. Together with a…
printed by W. Bowyer and J. Nichols
1777
Directions for making the best composition for the metals of reflecting telescopes. Together with a…
printed by W. Bowyer and J. Nichols
1777
Directions for making the best composition for the metals of reflecting telescopes. Together with a…
printed by W. Bowyer and J. Nichols
1777
Directions for making the best composition for the metals of reflecting telescopes. Together with a…
printed by W. Bowyer and J. Nichols
1777