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THOR - God of Thunder
Ammania sp. 'Bonsai' is quite similar looking to Bacopa Caroliniana, except it's slightly smaller more compact growing version. Under high light the tips of the stem might turn red/orange.
HERE IS A whole new chapter of interesting material written by Russell W. Porter of the California I..
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MANY OF the advances in practical optics and telescope making have been made by amateurs. Such an ad..
THIS month we shall devote most of our space to an interesting letter from Mr. Vard B. Wallace, a ch..
IN THE LAST stages of telescope mirror grinding the pencil mark test is sometimes resorted to in an ..
IN 1931, Daniel E. McGuire, a Shadyside, Ohio, farm lad then 17, hit on the use of a slit in place o..
IF A MECHANISM DOES its intended work, and satisfies its owner, it is a success. A fine telescope dr..
ONE NIGHT last summer James T. Barkelew and Byron L. Graves of Los Angeles, with Russell W. Porter o..
SETTING CIRCLES ARE GRADUATED rings that enable the astronomer to set his telescope exactly on desir..
IN THIS magazine last June Professor Russell described the Schmidt telescope- or camera, to speak mo..
ROSE TOOLS having petals which are tapered, in contradistinction to I tools similarly used for local..
UNIQUELY, the richest-field telescope, or RFT, because of its special design, reveals in one view of..
READERS OF THIS department and friends of Russell Porter-those who have seen him and those who hope ..