


Dust jacket missing. Shelf and handling wear to cover and binding, with general signs of previous use. Foxing on the edges. Text is clear of markings and notations. Secure packaging for safe delivery.
Complete, detailed instructions and numerous diagrams for constructing a do-it-yourself telescope. No complicated mathematics are involved, and no prior knowledge of optics or astronomy is needed to follow the text's step-by-step directions. Contents cover, among other topics, materials and equipment;...