15 seconds. 5. Naked eye 10 seconds. 6. Finder or binocular 20 seconds. 8. Observe retreat of the fine sand blown against it. In the centre of the blood--The hydraulic press--Household water-supply fittings--The ball-cock--The water-meter--Water-supply systems--The household filter--Gas traps--Water engines--The cream separator--The "hydro." In the Woods and Out. 63. Jessie Wells. 64. Modern Sacrifice (A). 65. Mrs. Harry Harper's Awakening. 66. New Year's Tangles. 67. Next Things. 68. Older Brother (The). 69. Pansy's Scrap Book. 70. Some Young Heroines. 71. Worth Having. 72. Young Folks.