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NEST BOXES & REFUGEES FOR WILD GARDEN ANIMALS
MAKING A REFRACTOR TELESCOPE. HOW TO DESIGN, GRIND, POLISH, TEST, CORRECT AND MOUNT A DOUBLET LENS
Remer N.
Manual dirigido al astrónomo amateur que haya pensado desde siempre en construirse su propio telescopio de refracción. Ilustrado con multitud de gráficos y fotos, enseña paso a paso cómo construir los elementos necesarios y montar un telescopio.
