![Telescope / Robert E. Cox / John F. Gregory / Amateur astronomy / Observational astronomy / Amateur telescope making Telescope / Robert E. Cox / John F. Gregory / Amateur astronomy / Observational astronomy / Amateur telescope making](https://www.pdfsearch.io/img/2714bdbeee039761153969a53be4e330.jpg) Date: 2003-05-07 08:56:22Telescope Robert E. Cox John F. Gregory Amateur astronomy Observational astronomy Amateur telescope making | | Foreword Albert Ingalls was first to give amateur telescope making wide exposure in the United States through his articles in Scientific American. Growing more enamored with the craft himself—and seeing a rising intereAdd to Reading ListSource URL: www.willbell.comDownload Document from Source Website File Size: 22,53 KBShare Document on Facebook
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