An oval or square mirror in a white or light enamelled frame can be suspended by wires from the top.
The directions as to methods and the suggestions of designs given in this book open a broader and more inviting field, it is believed, than has been accessible in similar form before. That there is need of a new handy-book comprehensive, well tested, and designed on practical modern lines seems to be indicated by the popularity of the preceding volumes in this series: Harper’s Outdoor Book for Boys and Harper’s Electricity Book for Boys, which, together with Harper’s How to Understand Electrical Work, form the modern “Boy’s Own Library.”
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