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HOW TO USE STEREOGRAPHS

a . Experiment with the sliding-rack which holds the stereograph until you find the distance that suits the focus of your own eyes. This distance varies greatly with different people.

b. Have a strong, steady light on the stereograph. This is often best obtainable by sitting with the back toward window or lamp, letting the light fall over one’s shoulder on the face of the stereograph.

c. Hold the stereograph with the hood close against the forehead and temples, shutting off entirely all immediate surroundings. The less you are conscious of things close about you the more strong will be your feeling of actual presence in the scenes you are studying.

d. Make constant use of the special patented maps in the back of this book. First, read the statements in regard to the location on the appropriate maps, of a place you are about to see, so as to have already in mind, when you look at a given scene, just where you are and what is before you. After looking at the scene for the purpose of getting your location and the points of the compass clear, then read the explanatory comments on it. You will like to read portions of the text again after once looking at the stereograph, and then return to the view. Repeated returns to the text may be desirable where there are many details to be discovered. But read through once the text that bears on the location of each stereograph before taking up the stereograph in question; in this way you will know just where you are, and the feeling of actual presence on the ground will be much more real and satisfactory. On the maps you will find given the exact location of each successive standpoint (at the apex of the red V in most cases) and the exact range of the view obtained from that standpoint

(shown in each case by the space included between the spreading arms of the V). The map system is admirably clear and satisfactory, giving an accurate idea of the progress of the journey and really making one feel, after a little, quite at home among the streets of Ottawa.

e. Go slowly. Tourists are often reproached for their nervously hurried and superficial ways of glancing at sights in foreign lands. Travel by means of stereographs encourages leisurely and thoughtful enjoyment of whatever is worth enjoying. You may linger as long as you like in any particularly interesting spot, without fear of being left behind by train or steamboat. Indeed, you may return to the same spot as many times as you like without any thought of repeated expense! Herein lies one of the chief delights of Ottawa-in-stereographs— its easy accessibility.