Details
A 5½-inch dia. astronomical telescope objective lens;
another 4½in. dia.; another 4in. dia.; one other; and a pair of secondary speculum mirrors for a reflecting telescope, in fitted case (A Lot) (6)
another 4½in. dia.; another 4in. dia.; one other; and a pair of secondary speculum mirrors for a reflecting telescope, in fitted case (A Lot) (6)