Harris, John · Montreal, Lovell Printing and Publishing Co. · leaf 78
Fig. 3.—Let E. be the earth ; and a. and h. two stars^at a certain distance from each other and a certain dis-tance from the earth ; and let c. and d. be two other starsthe same distance apart as a. and &., but twice the distance … from the earth ; and let e. represent a fifth star interme-diate in situation between the others as shown in thefigure. Viewed from the earth, the five stars may presentthe appearance of an equidistant series.. one under theother, with equal inten^als. 10 PARALLAX. Now if the reader apprehends the…
Astronomy
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![An illustration from Essai de physique, par Mr. Pierre van Musschenbroek ... avec une description de nouvelles sortes de machines pneumatiques, et un recueil d'expériences par Mr. J. v[an] M[usschenbroek] Traduit du hollandois par Mr. Pierre Massuet .. (1751)](https://img.insideoutlibrary.com/img/200/ia-essaidephysiquep02muss-78-23.webp)
