CHAPTER IV. MOUNTAIN BAROMETERS.
37. GAY LUSSAC'S MOUNTAIN BAROMETER.
38. FORTIN'S MOUNTAIN BAROMETER.
39. NEWMAN'S MOUNTAIN BAROMETER.
40. NEGRETTI AND ZAMBRA'S PATENT MOUNTAIN AND OTHER BAROMETERS.
41. Short Tube Barometer.
42. Method of Calculating Heights by the Barometer; Tables and Examples.