ears before t if you measured one of ted points on triangulation to  tance to t calibrate tances to all tem.

    Unfortunately, transits of Venus, as t years apart, but t for a century or more, and time.

    3But t transit came due in 1761,nearly ter ific  ronomical event before.

    itinct for ordeal t cerized tists set off for more tions around to Siberia, Ccy-taineigill ot out from Saly, Germany, Ireland, andelsewhere.

    It  cooperative international scientific venture, and almost everyo problems. Many observers ions but opened tes to find equipment broken or ropical .

    Once again ted to provide t memorably unlucky participants.

    Jean C montraveling to Siberia by coac, and sleigeinstruments over every perilous bump, only to find t vital stretc transit ietury.

    rivers, t of unusually  to blame on er ting strange instruments at to escape  s.

    Unluckier still il, il set off from France a yearaime to observe transit from India, but various setbacks left ill at sea on transit—just about t place to be since steady measurements ching ship.

    Undaunted, Le Gentil continued on to India to a t transit in 1769. ityears to prepare, ed a first-rate vieation, tested and retested ruments,and ate of perfect readiness. On transit, June4, 1769, o a fine day, but, just as Venus began its pass, a cloud slid in front of t exactly tion of transit: teenminutes, and seven seconds.

    Stoically, Le Gentil packed up ruments and set off for t port, but