The Key West Citizen Newspaper, April 24, 1947, Page 9

aT a5 3 ; ges Fs (t j 5 : ge 2 S's.” j re 33 ge“ § 8 EB ies Bat td ee id 2. =e re et ¢. *” & “velocity of 800 must take, th Big at, this velocity ‘of 800 t twen- ‘for an- the ‘means of i for our “Why not?” demanded the ma- or. . ; % “Because the shot,” quickly re- plied J. T. Maston, “must be big enough to attract the attention of the moon, if “Yes,” replied Barbicane, “and for another reason more impor- tant still.” “What mean you?” asked the or. “I mean that it is not enough to discharge a projectile, and then take no further notice of it; we must follow it throughout its course,.up to the moment when it shall reach its goal.” : “But then,” replied the major, “you will have to give this pro- -jectile enormous dimensions.” “No! Be so ‘good as to listen. You know that with certain tele- scopes we have succeeded in ob- taining enlargements of 6,000 times. and reducing the moon to within forty miles’ ince. Now, at this distance, any objects sixty a og WwW uld ‘be: perfectly visible. eee eee Getting the Best From Your Garden SPRAYS MAKE IT EASY N TO) GET RID OF SPACE PROBLEM—Kohlrabi, pictured here, and other root vege- ! tables need space. Plant widely and then thin out. By ROBERT AP Newsfeatures Writer . ELTSVILLE, Md.—tThere’s a a diameter of sixty f i tense. To t be enough to establish a telescope on some elevated mountain. That is what we will do.” | major. “You have such a way of simplifying things. And what en- €/jargement do you expect to ob- should bring the moon within an ——— ive ; <b oy jercelve ‘objects of lesser. mage | ote o bec ve 0 “| serve that the question is not that sai tart de en vx |tis sete eth ee tea I to: do?” asked the general.|fore, to’ give. it sides tWould: a lempngh: tat renlek the premiere you give your projectil eet?” “Not so.” “Do -you intend, then, to in- luminous power of the soon enlighten us upon point.” : sess “Nothing easier,” worthy ‘secre tee; and, rapi tracing a few algebraical formulae upon paper, : among which n’ and 2* uently : appeared, he presently said: “The sides will require a thick- ness of less than two inches.” . “Will that be enough?” asked the major doubtfully. “Clearly not!” replied the pres- ident. effect that object it will “T give it up,” answered. the tain in this way?” “One of 48,000 times, which] “What is to be done, then?” said Elphinstone, with a puzzled alr, “Employ,another metal instead of iron.” Ae “Copper?” said Morgan. “No; that would be too heavy. I have better than that to offer.” “What then?” asked the major. “Aluminum!” . replied Barbi- cane, : “Aluminum?” cried his three colleagues in chorus. “What will the projectile weigh then?” asked Morgan. | “Here is the result of my cal- culations,” replied Barbicane. “A shot of 108 inches in diameter, and twelve inches in thickness, would weigh, in cast-iron, ‘67,440 pounds; cag# in aluminum, its weight will be reduced to 19,250 pounds. Now what say you to aluminum, gentlemen?” “Adopted!” replied the three members of the committee, So ended the first meeting. The ques- tion. of the projectile was defi-e nitely settled. (Te be continued) apparent distance of five miles; and, in order to be visible, objects need not have a diameter of more than nine feet.” “Clearly,” replied the major; “but what metal do you cal te upon employing?” “Simply cast iron,” said Gen- eral Morgan. “But,” interrupted the major, “since the weight of a shot is ab ortionate to its volume, an iron all of nine feet in diameter would be of tremendous weight.” “Yes, if it were solid, not if it were hollow.” ’ “Hollow? then it would be a shell?” : ‘f “Yes, a shell,” replied Barbi- cane; “decidedly it must be. A solid shot of 108 inches would weigh more than 200,000 pounds, a weight evidently far too great. Still, as we. must reserve a cer- tain stability for our projectile, I propose to give it a weight of 20,000 pounds.” f AT, then, will be the thick- ¥ ness of the sides?” asked the major. against those that cause damage by chewing. White suggests they may be used against such common pests as aphids, beetles, including bean, squash. and cucumber beetles, Jand lice. He recommends using them in dust form. Rotenone dust, espe- cially, stays longer on the plants than rotenone spray. He also suggests that purchas- ‘lers chéck the rotenone and pyrethrum packages to be sure [tur contain at least three- ee INSECTS fourths of one percent. (,75 per- cent) of rotenone or .3 pettent of pyrethrum. No less than. that is effective against many pests.: Rotenone, ‘he says, is particu- larly effective against the Mexi- can bean beetle, cucumber beetles and cabbage and broccoli worms. It also kills some aphids plant lice. . Nicotine also is an aphid killer. As for DDT, now available to ‘the home gardener, White sug- |gests it is good for killing potato insects and cabbage worms; the tomato fruit worm:and Japanese beetles. But it should not be used on cabbage plants after the heads begin to form. It also kills insects that attack rose plants and may be used with sulphur to discourage black spot. Another new compound is be- E. GEIGER, new school of thought in in- sect control that simplifies bug killing and disease control ing given a trial in greenhouses control for the home gardener. Briefly it's this: Rotenone and pyrethrum will keep almost all of the back- yard pests under control. There also are scientific John- nies-come-lately, like DDT, the ® super: killer that got its big test in the war as a slayer of disease carrying insects. Now the gar- dener may use it as a supplement for the two fundamenta! insecti- cides, rotenone and pyrethrum. W. H. White, chief of the di- vigion of truck crop and garden | insect investigations for the U.S.° Department“ of Agriculture, rec- , ommends that home _ gardeners discard arsenical. poisons entirely. He believes the arsenicals are too poisonous to use on thrum are available. And these two bug killérs are expected to be in good supply this season. In addition to these two poi- | sons, White suggests home gard- | eners will forestall their gardens if they: broadcast | poison bait to kill cutworms be- fore the plants appear or are set out. i Poison bait may be purchased } in most seed stores, ready-pre- pared. Cutworm Collars It should’ be used especially | near tomato and cabbage plants. White says cutworms are almost sure to attack these vegetables if bait.isn’t used. An alternative is ! to place cardboard or metal “col- lars” around the young plants. Otherwise, he believes, insect control should be delayed until pests appear. Gardeners, he says, should keep a careful check on their | plants and at the first sign of the @resence of harmful insects steps food « plants when -rotenone and pyre- | damage to; . and infields and may be offered the public later. It is hexaethyl tetraphosphate, nicknamed “het”. In preliminary tests it has proved to be a phe- nomenal killer of aphids in green- houses. hould be taken to kill them off. Otherwise the job becomes a se-! rious one. The weed killer, 2,4-D, may In general, he says, pyrethrum |save back-breaking work with a is effective against insects that|hoe. But the experts warn ama- damage plants by sucking their{teur gardeners it cannot be used juices. Rotenone is effective {in veegtable and flower gardens. ee eee on ee ene Wheel Chair Bowler . Veterans Administration Phote. Although paralyzed from the waist down, Jim Tomlinson of Coming, Kans., has developed into a star bowler at Winter Veterans Administration Hospital in Topeka, Kans. Here he demonstrates how he brakes his wheel chair at the end of his approach to the alley. Several other paraplegic patients at the hospital bowl regularly, and