The boy's own book of indoor games and recreations : a popular encyclopædia for boys (1890)
Stables, Gordon, 1840-1910, Hutchison, George Andrew, 1841-1913 · Philadelphia : J.B. Lippincott · leaf 389
screw theremaining two screw-eyes into two of the legs of the stand, on the outside of eachleg and about one foot from the top of each. Bend the cut part of the brass platesinto rings and close them in these screw-eyes. Now put the screw-nuts in theirplaces in the brass plates, and put the screw… … THE KALEIDOSCOPE, AND HOW TO MAKE IT, 385 the right, and the other to the left, and to turn it to the right reverse the action ofthe nuts. In making this telescope you must be very careful in fixing the lenses.They are to be placed so that the centres are to be in one straight line, which lineis to…
Games · Amusements
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