National Geographic : 1963 May
brown 'by the .Midisun. A itlthi most-shy to get the best of two wyl ds-the subima smile and self-eft'acing manner, he told me of riner s and the self-containd dig er's. He had the vital implications behind his work -and designed and built a sub iersible compres of the Problem~s and dangers he faced. sion chamber, which th diver could leave FrontierLies.O n"ithnns w..........n" atdepths..d.wn to400feet hus. .. ................................ ould work for hours a ame returning...... 'Although oceans cover 71 Percent of our the chamber for rest a r reshinent w hen 'planet, they are virtually unexplored,, he said. ever necessary. This device was the alhurmnn M...an can go to great depths in a bathyscaph, cylinder I[had seen r the afterdeck. but he remans a prisoner inside it. Such yes- The, gradual iret.....tosurface pressure sels are oflmited value for the whole range would still be as neessary as ever, hut thi ... of undersea operations which involve physical could be accomiplisd inthe relative warmth contact with the water. and comfort of the, cylinder itself, under w Te most obvious of these, Link wvent oan, ter or on the shi rI sore. salvage, but there aire others no less impor- "Come anmd hae look at it," Ed said, ai1 tant: prospecting and drilling frir oil and min led mnc out on A'c orals, bridge buildig and pile driving, even Th cline lay init horizntl stwg ysu~bmarine cultivation and fish farming. pstin. Ithd been buil in ~ die nite K> Little useful work of tisnatr hser Mates, he tode, to hi 'own specifications; ~at twice that depth. 1, exlane tha it wa n arsac A helmet dive-%%whoiseiulhad-pooye tc dbthfrrnerffr 'capped anyway by his cumbersome equip- larger "se huss"iwhcsera el <Ament-could spend perhaps three" ort four 4olbe able 'to' live and woka ra hours at 200 feet, but he then would have deths frr weeks or eveni month,btti toA m~'ake a very slow return to the surface . as strictly a one-man~i model..A.''" to avoid1 the bends. He would be expose- The cylinder has three airtight and wvwater-'k, thouhot hedieto the cold of the wa er, tight cular lvatches. Two~of then- arte bak A' A and h cud no eator dink.to back at the en~tran~e. One opens outward Ed inks bsi obectvehetol~mc «-s to'witstndl external water pressu re, and the , "A'AAA"AA', ,FA \A'A, '""A" A'ilca cods t ai hoes a Ah n ad A'AAA'A' powe cU,4iale, and a wichn 'AaiA n'et'AhA A'olton r,,' nk diin A," nde to 'A e mother 'A~, ' shim, ~ ~ ~ ~ A . . . ,~''A ,AAv . Acoe ca brfoasvri Aa'",'" '' hathe open ~ , and atm sAer atA a A',essur 'qua",A' tAh' sa' s.'A Die raAs eim'y suple b"y'A 'a os fro MinksA on te chmber ""A A'" A AA~' < A 'A ,~, A ' ' ~AAAA19 A~AA ~V'A'A, '. ~ , 'AA'K~A,,'AA''AA'A ' ' '' ' ' '' 'A A A ,IAA ' A"K>' 'A'v~t [f-'A~ ,,' '