Note 116 — Chapter XI · CARTEIA.—TYRE AND HER WARES.—GLASS.
Reading edition
Salanti, vol. i. p. 285. Aboulala (4th century) says, “The stars which form the milky-way.” Aristotle speaks of the mirrors for surveying the heavens. Those of Memphis and Pharos are often mentioned. Strabo speaks of tubes for magnifying objects; such tubes are mentioned in old Arabic writers.