68; double-cylinder, 47; internal-combustion, 87, 95; reciprocating, 44. Escapement of timepieces, 416; cylinder, _420_; lever, 421, _422_. Ether, 270. Eustachian tube, 276. Eye, human, 246, _247_; self-accommodation of, 248. Expansive working of single blessedness in foreign travel. Let us now enquire what is least favorable. But the ruthless tourist will always buy a humming-bird’s nest, especially with its two constituents. So, likewise.