 kindhi paeraa aadhaaramga , 19 va sataabdamloo sarve cheyabadina mariyu gurtinchabadina himalya sikharaalanu jaabithaa chaeyamdi .
1802 loo ,  briteesh varu prapanchamlooni ettaina parvataala sdhaanaalu ,  etthulu mariyu paerlanu nirnayinchadaniki greeat trikoenhamiti sarve af indiyaanu praarambhinchaaru .  dakshinha bhaaratadaesamloe praarambhinchi ,  sarve brumdaalu jaint theodolite ‌ lanu upayoginchi Surat vaipuku vellayi ,  okkokkati  500  kilos  (1,100  poundlu )  baruvu mariyu ettulanu saadhyamainanta khachitamgaa kolavadaniki  12  mandhi purushulu teesukellaali .  varu  1830 l natiki himalya parwatta praantaalaku cherukunnaaru ,  ayithe nepaul vaari uddeshaalapai anumamaanam unnanduna british varini desamloki praveshinchadaniki anumatinchaledu .  nepaul ‌ loki pravesinchaalani surveyarlu chosen anek abhyardhanalu tiraskarinchabaddaayi .

 british varu himalayalaku samaantaramgaa unna nepaul ‌ ku dakshinamgaa unna teroy nundi thama pariseelanalanu konasaginchavalasi vacchindi .  kundapotha varshalu mariyu maleeriyaa kaaranamgaa teraayilo paristhitulu kashtangaa unnayi .  muguru sarve adhikaarulu maleriatho maraninchaga ,  mro iddharu aaroogya viphalamavadamtho padav viramanha cheeyavalasi vacchindi .

 ayinappatikee , 1847 loo ,  briteesh varu sarvenu konasagincharu mariyu  240  kimi  (150  millu )  dooramlo unna pariseelana stationla nundi himalya sikharaala yokka vivaranaatmaka pariseelanalanu praarambhinchaaru .  savatsaram chivari muudu nelala varku vaataavaranam panini parimitam chesindi .  novemeber  1847 loo ,  british sarveyar genaral af india aandruu waa himalayas turupu chivarana unna sawaz ‌ puur steshion nundi anek pariseelanalu chesar .  kanchan ‌ janga appudu prapanchamloonee ettaina sikharamgaa pariganhinchabadindhi mariyu aasaktito ,  athanu dani kante  230  kimi  (140  millu )  dooramlo unna sikharaanni gurtinchadu .  waa yokka sabardinate ‌ lalo okaraina jeanne aarm ‌ strong kudaa paschimaana unna pradeesam nundi sikharaanni chusi dhaanini  " b "  ani pilichadu .  kanchan ‌ janga kante shikaram  "b"  ekkuvaga undani pariseelanalu suuchimchaayani waa taruvaata vraasaadu ,  ayithe pariseelanala yokka goppa dooraanni batti ,  dhruveekarana choose daggari pariseelanalu avsaram .  marusati savatsaram ,  waa shikaram  "b" ni nishithamgaa pariseelinchadaaniki ooka sarve adhikarini teroy ‌ ki tirigi pampaadu ,  conei meghalu atani prayatnaalanu addukunnayi .

1849 loo ,  waa  190  kimi  (120  millu )  dooramlo unna jirol nundi remdu pariseelanalu chosen james nicholson ‌ nu aa praantaaniki pampinchadu .  nicholson appudu athipedda theodolite ‌ nu tesukoni turupu vaipu velladu ,  iidu vaervaeru pradeshaala nundi  30 ki paigaa pariseelanalanu pondadu ,  shikaram nundi  174  kimi  (108  millu )  daggaraka Pali .

 nicholson tana pariseelanala aadhaaramga avasaramaina gananalanu nirvahinchadaaniki gangaanadipai paatnaaku tirogaminchaadu .  atani mudi deetaa shikaram  "b"  choose sagatu etthu  9,200 m (30,200 ft)  icchindi ,  ayithe idi kanthi vakribhavanaanni pariganinchaledu ,  idi ettulanu vakreekaristundi .  ayinappatikee ,  kanchan ‌ janga kante shikaram  "b"  ekkuvaga undani sanka spashtangaa suuchimchimdi .  nicholson maleeriyaa baarina paddadu mariyu atani lekkalu porthi chaeyakumdaa intiki tirigi vellavalasi vacchindi .  waa yokka sahaayakulalo okaraina mikhail hennessy ,  romman sankhyala aadhaaramga sikharaalanu gurtimchadam praarambhinchaadu ,  kanchan ‌ jangaaku peak  IX  ani peruu pettaaru .  peak  " b "  ippudu peak  XV gaaa piluvabadinadhi .

1852 loo ,  dehraduun ‌ loni sarve pradhaana kaaryalayamlo ,  bhartia ganita saastrajnudu mariyu bengal ‌ ku chendina sarveyar radhanath sikdar ,  nicholson yokka kolatala aadhaaramga trikoenhamiti gananalanu upayoginchi everest ‌ nu prapanchamloonee ettaina sikharamgaa gurtinchina modati vyakti .  lekkalu padhe padhe verify cheeyadamtoo peak  XV  atyadhikam ani adhikarika prakatana chaaala samvastaralu aalasyamaindi .  waa  1854 loo nicholson yokka datapai panini praarambhinchaadu mariyu atani sibbandito kalisi dadapu remdu samvastaralu sankhyalapai pania chesudu ,  kanthi vakreebhavanam ,  barometric piidanam mariyu pariseelanala yokka vistaaramaina dooraalalo ushnograta samasyalanu edurkovalasi vacchindi .  chivaraga ,  marchi  1856 loo athanu kalakattaalooni tana dipyuutiiki raasina lekhalo tana parisoodhanalanu prakatinchaadu .  kanchan ‌ janga  8,582  mee  (28,156  adugulu ) gaaa prakatinchabadindhi ,  ayithe shikaram  XV ki  8,840  mee  (29,002  adugulu )  etthu ivvabadindi .  peak  XV " prapanchamloo athantha ettainadi "  ani waa nirdharincharu .  shikaram  XV ( adugulalo kolustaaru )  sariggaa  29,000 ft (8,839.2 m)  ettugaa lekkinchabadindi ,  ayithe khachitamaina etthu  29,000  adugula  (8,839.2 m)  aney abhipraayaanni nivarinchadaniki  29,002 ft (8,839.8 m)  gaaa bahiranganga prakatinchabadindhi .  gundrani anchana tappa maremi ledhu . " everest sikharampai remdu adugulu vaesina modati vyakti " gaaa waa konnisarlu saradaaga keertinchabaddadu .
 himalya shrenilooni kanchan ‌ janga mariyu everest sikharaalu  19 va sataabdamloo nirvahimchina sarvela dwara gurtimchabaddaayi .