Bengel's hope that the Gnomon would help to rekindle a fresh interest in the study of the New Testament was fully realized.
Wood, Cryptopora gnomon Jeff., Rhynchonella (Hemithyris) psittacea Gmel., Crania anomala Mull., and Discinisca atlantica King.
The works on which Bengel's reputation rests as a Biblical scholar and critic are his edition of the Greek New Testament, and his Gnomon or Exegetical Commentary on the same.
More surprising as the Chinese astronomers are credited with having made use of the gnomon as early as 1000 B.C. for determining latitudes.
He modestly entitled his work a Gnomon or index, his object being rather to guide the reader to ascertain the meaning for himself, than to save him from the trouble of personal investigation.
He taught, if he did not discover, the obliquity of the ecliptic, is said to have introduced into Greece the gnomon (for determining the solstices) and the sundial, and to have invented some kind of geographical map. But his reputation is due mainly to his work on nature, few words of which remain.
Scientific geography profited largely from the labours of Eratosthenes of Cyrene, whom Ptolemy Euergetes appointed The gnomon was known to the Chinese in the 5th century B.C., and reached the Greeks (Anaximander) through Babylon.