
keyble nireekshanaalayam

randolf-maakkon kolejinte udamasthathayilullathum pravarthippikkunnathi oru jyotishaasthra nireekshanaalayamaanu keyble nireekshanaalayam. virjeeniyayile (yuu. ezz. eiii) aashlaandilaan ithu sthithicheyyunnathu, doow. 1919 muthal 1952ll viramikkunnathuvare randolf-maakkon kolejile bhauthikashaasthra professoraayirunna vilyam hoosttan keyble phai beetta kappa, american physical sosaitti, american association oof physics teachers, american aastronamikkal sosaitti ennivayile amgamaayirunnu. 
1963ll thuranna aadyathe ghadanayil 12 inch neutonian dooradarshini undaayirunnu. 2016ll eee kettidam thakarkkapettu. adutha varsham oru puthiya uyaramulla ghadana pravarthanamaarambhichu, 40 centimeter richey-crutteen undu.

