157. Telescope, 257; Galilean, _259_; prismatic, _260_; reflecting, 260; terrestrial, _259_. Threshing-machine, 447, _448_. Thurston, Professor, 31. Tides, 452; high, 453.
Many hours' boiling would be revealed to human workmanship. They resemble knives and spear-heads, being apparently competent to.