8 ▁in ▁Long ▁M ead ow , ▁Massachusetts . ▁The ▁son ▁of ▁Sol vin ▁and ▁Har ri et ▁Mark ham , ▁he ▁married ▁Henri etta ▁E . ▁King ▁on ▁November ▁ 2 9 , ▁ 1 8 6 0 . ▁ ▁The ▁ 1 8 7 2 ▁Spring field ▁Massachusetts ▁Directory , ▁lists ▁Mark ham ▁as ▁a ▁but cher , ▁but ▁by ▁ 1 8 8 7 ▁he ▁had ▁switched ▁to ▁n urs ing . ▁ ▁When ▁Charles ▁D ury ea ▁asked ▁him ▁to ▁support ▁their ▁efforts ▁in ▁an ▁un t ried ▁field , ▁Mark ham ▁risk ed ▁his ▁life ▁sav ings ▁to ▁fund ▁the ▁project . ▁ ▁In ▁March ▁ 1 8 9 2 ▁Mark ham ▁supplied ▁the ▁brothers ▁with ▁$ 1 0 0 0 . ▁ ▁After ▁Charles ▁had ▁finished ▁his ▁work , ▁he ▁moved ▁back ▁to ▁Illinois . ▁Frank ▁ultimately ▁scra pped ▁his ▁brother ' s ▁design ▁and ▁approached ▁Mark ham ▁for ▁another ▁$ 1 0 0 0 . ▁Mark ham ▁agreed ▁and ▁continued ▁to ▁fund ▁the ▁project . ▁ ▁When ▁asking ▁Mark ham ▁for ▁the ▁third ▁time , ▁he ▁dem ur red ▁to ▁Frank , ▁" The ▁thing ' s ▁no ▁good , ▁Frank , ▁and ▁I ▁have ▁lost ▁my ▁money . ▁No . ▁ ▁All ▁my ▁sav ings ▁will ▁go . ▁ ▁I ' ll ▁have ▁to ▁quit ▁now ." ▁Frank ▁offered ▁to ▁for go ▁his ▁pay , ▁and ▁Mark ham ▁agreed ▁to ▁another ▁$ 8 0 0 . ▁ ▁When ▁Frank ▁produced ▁a ▁practical ▁vehicle ▁in ▁