Herschel, John F. W. (John Frederick William), Sir, 1792-1871 · London : Longman, Rees Orme · leaf 154
otson plates of gold or platina let into massive blocks ofstone, and which are, or at least ought to be, in all casespreserved with almost religious care, as monumentalrecords of the highest importance), is then measured,with every precaution to ensure precision*, and itsposition with respect to… … both its extremities (one of which, O, we will supposeto be a national observatory, with which it is a principalobject that the base should be as closely and immediatelyconnected as possible) ; and D, E, F, G, H, K, otherstations, remarkable points in the county, by whose con-nection its whole…
Astronomy
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