c;. A H I C.~ Suggestions re design sketch: 1) For details on this, the painting which has just been reproduced on the cover of the Dec. 5th issue of Science is quite good. Perhaps the entire object (the zero-gravity assembly) could be made somewhat larger on the painting, for more detail. 2) To emphasize that the ~entral facility (1) is in zero-g, its supports should be shown as very light and spidery, 3) There is an open cylinder going back toward the docking area. It -~is both an air passage and an~v~~ for floating people and objects. ~--,:. There could be detail there if you wish. 4) Windows could show as light hazy color. In actuality would be transparent, and the solar disc would be reflected inside. However, there would be a rib structure too small in scale to be seen in this painting: about 20 inches on a side (rectangular or honeycomb pattern) 5) On the Disc radiator, there could be a structure of radial pipes shown; or this could be more complex, with pipes, fins etc., as on a transistor-radiator. 6) Is this to be the Moon? Could be either earth or moon, but don't show both in the same picture. 7) Here's where both the challenges and the opportunities come. Items 1-6 are by now fairly routine. (7) offers new possibilities. I 'm bother~d that the viewpoint somehow doesn't seem ~o be quite from the right place; its's not clear to me that one will see enough of the equatorial region. The following sketch shows some of what I had in mind: fi,CIN ,. ,.,r,c.c '~."'!:},.•/ SVN A"fG.1.1 IN .,,., NOttTH H•Ml$t'Hlt'f.« (4~). ~CITM HllMICPHIU (~¥ QA.,.I TVJ>6S Foll. ,.-a"-lllf'b TM.&.rn •N••V•.P""'- t1u11.1>1Nf,. A,~4T~•~., SMALL- !»Hof'~ ,_.. tTOf\I&• -J.4', O"- 3."'J "'"' HRA.r\.OW f'AntS1 &.ITT&.e PNZics, '-. ~ ON TMtS 'scALC) R,.TM£tl Lii(. AH IT'AL.IAft' .·~-~ (;; l_ IL&. .. TOW~ t s' .. (J_, w1M:HWI ~IJ.lfT l"l>IVtOfll\I. T"tla6 ",.TO ""' C"°'. 4 .....,,, ,...,. ,,A .. r) ... ,oe~ _, . ., , . , •S• I ,.)C..~ C~'"' ~f6N VIC.&Tlt\'rl.,.., •' ,,,~ ""-." •t. ,. A~vt <00° 47Ho~ ii:r '"' '~'" ~·· ~c.~wl &.IHE!a, ..., . . , ,. . e-.Je> ,,.,, '-•Ua.c.Y "rffJCIC f s1'l-f. ~t I I I I l o .... ao<fOMITM'I scAa.• ~ aooo' ' <-ratt""'P J t'f.J:I. ,,. """''-"~' .. er,ff~ WUIPOW Aft« AS ) , .... \t. I l / ~ - ,.,,:: r\OTATfO,_, Mt$ " •• •': ~s· -.. ,_,rs OF &.Arl'ro06 11 ;.._ &ClCJATO" ., The aim is to make as much use as possible of the fact that this Bernal Sphere geometry gives the freedom of landscaping in a large area, about 3qo meters wide (roughly a quarter-mile) and 1600 meters in circumference. I would emphasize the following: a) Keep everything small-scale. No monumental buildings. As much as possible, diversity and irregularity rather than a repeated pattern. b) Dwellings should be shown mainly as terraced apartments, each with a garden with much vegetation. c) No large roads (because no vehicles except bicycles and perhaps small elec~ric three-wheelers for shopping-parcel carrying). Many small paths and bicycle lanes. d) Much area left as parks, playing fields. e) One stream winding its way along the equator, with beaches on each side. Could show bathers, canoes. f) Possibly small streams cascading down from the higher elevations. There could also be fountains. g) In this geometry one would want to take advantage of the fact that there would be natural "hills". Perhaps a San Francisco landscape, but in smaller scale, with steep paths. -G. K. O'Neill
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