The La Crosse Tribune from La Crosse, Wisconsin • Page 3

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GADGET BAG on your oqgipmont togotbof handy. Know-How Helps Take 'Automatic' Snapshots By IRVING DESFOR (AP Newsfeatures) A battle of know-how vs. the automatic camera has been going on in my household lately. I'll settle for a verdict which maintains that PLUS automatic camera makes the best combination for good pictures. I was testing the Rollei-magic camera, the only automatic by 2V twin-lens reflex.

It measures the light in front of the camera and automatically selects the correct combination of shutter speed and lens opening as the release lever is pressed. As with all automatic cameras, L. V. Weisensel Says: If you wish to return alive on the drink the 5th that you bought on the 3rd. the film speed must be set.

Beyond that, the photographer must attend to one other chore to make each snap a picture: he must focus. 'it it it I turned the camera over to my wife and 16-year-old daughter, Barbara, who are typical of so many people to whom the principles of correct exposure are a mystery. But they could fathom the idea of focusing and of observing a moving needle. When they it, it meant they had enough light to shoot by. The testing ground was a camera cruise up the Hudson River on which we were accompanied by hundreds of other camera fans.

When black-and-white film was switched to Kpdacolor, the film speed was changed and caused nary a hesitation to my women. They saw that needle and clicked away. Then, later. Barbara called for help. We had docked at Bear Mountain and were walking under a ramp when she stopped to shoot the boat in the river.

Under the deep shadow of the ramp, however, the needle show. she take a picture? Shc( wanted to know. The situation is one in which automatic camera goofs, its exposure meter tricked by the heavy shadow of the ramp or sometimes a doorway or tunnel. It would also be fooled if the lighting were is. if the camera were in bright light and the subject in the shade.

This is where a little know-how came in handy. I moved Barbara down the ramp a bit to an open space. There the needle became visible. I told her to press her finger ever so lightly on the release lever but not enough to snap a picture. As she did so, the needle be-' came rigid, locking the proper ex-; posure combination for that light in place.

Then she moved back to' her pre-selected position, got ready, and pressed the lever all the way down. The picture was made with the proper exposure. I never did finish teaching her I that the camera can be switched! I off automatic operation for flash pictures or time exposures. still arguing over who gets cred-i Sit for a nice boat old man with the know-how or the chick who clicked the button. I Serves Aboard Sub CHARLESTON, C.

Rich-1 ard D. Kildow, storekeeper first! class, USN, son of Mr. and Mrs. Clarence Homstad of 510 Ferry! La Crosse, is serving aboard! the submarine USS Clamagore op- crating out of Charleston, S.C. Kildow recently received the Navy Unit Commendation and Ci-j tation signed by the secretary of the Navy for outstanding achieve- ment during operations at sea from June 1959 to July 1960 while! aboard the nuclear pow-j ered submarine USS George Washington.

Before entering the service in1 February 1950, Kildow attended Aquinas High School in La Crosse. Enlist In Army Two La Crosse high school! graduates are in training at Ft. Leonard Wood, following recent enlistments in the Army, Sgt. I. C.

John W. Johnson said; Thursday that three-year, voca-j tional program enlistments were; recorded for David R. Ansell.j son of Mr. and Mrs. Richard L.j Bozile, 1603 Charles and Dennis L.

Vance, son of Mrs. Margaret J. Fitting, 1717 Winnebago St. An additional enlistment group; leaves La Crosse this week and! a larger group goes into training July IO. Sgt.

Johnson says. HOW AND WHY WE MUST DESALT SEA WATER turn salt water into at! about $1 a thousand gallons. Natural fresh water costs all way from a half -cent a thou- By RAV CROMLEY impossible to develop many of the sand up t0 or $7 or WASHINGTON (NEA) The key underdeveloped areas of the'even more But most race to desalt sea water is on. I world in the Middle East and Af- munjties spend about 30 to 45 The Soviet Union has a high Parts of Russia are believed ority research program. The U.S.

has just rurned on full tilt its first million-gallon-a-day demonstration plant, at Freeport, Tex. to be feeling the pinch. Some government scientists now see the possibility of a widespread drive for building water a new half-raillion-gal- desalting plants in the late lon-a-day plant on the Island mean that turning Guernsey. In 1962, little Israel is ocean water into will assume: scheduled to begin operating a cheap by then. But so many cities' Big plants will turn out 50 mil- quarter-miliion-gallon-a-day plant and so many industries will need lion gallons a day.

cents per sell it to their consumers at 25 to 40 cents by absorbing some of the overhead. Desalting scientists think they one day will get costs down to 42 to 48 cents a thousand gallons. with a radical new design to water a part of its Negev desert. Why the rush? In the U.S., tech- water so badly that be Major bugs will be ironed out willing to pay. I of the methods working Right now, desalting plants on.

jnical men warn there will be a around the world are turning out There will be a 50 per cent crucial national water shortage about 20 million gallons of water step-up in their decade-long $20 in less than 15 years. Industrials day. in Kuwait on the million research and development development of key areas, espe- Persian Gulf, in the Caribbean, program. dally in the West and Southwest, (already is being held back by the shortage. Water shortages make it almost California and in South Africa.

Costs of producing fresh water from these plants run from about Some important technical break-' throughs will be made. Costs will be cut by selling some $5 a thousand gallons down to power and chemicals from sea water as by-products. A great part of these things can be accomplished in the next five to eight years. There are some technical men in the Department of the Interior who would be willing to the U.S. will be able to produce desalted water for as low as 40 cents a thousand gallons within IO to 15 years, if savings from selling byproducts are realized.

These optimists arc expecting some real breakthroughs. They point out that the five methods the U.S. is trying out in its multimillion dollar demonstration program are basically old ideas. They include distilling salty water by flash evaporation, and solar reminiscent of the tea kettle. They include freezing water into pure ice and then skimming off the ice.

One plan calls for purifying water through a series of membranes, using electrical currents. Another suggests using atomic power for the heat needed to desalt the water. But the technical men say that. Ca CCrosar S'unbati artbunr really going to be cheap desalted water, there will have to be some radical new solutions. ultrasonics, sounds so high pitched you hear them.

Scientists hope that the powerful vibrations would somehow act dif ferentiy on the salt and on the water, helping to separate the two VV VV Bubbling some types of gas through the salty water. The right gases at the right and pressures form with the water. The salt can then be a off. the temperature raised and the gas bubbled, leaves pure water Exploding an atomic or hydrogen bomb underneath a body of salty water. The heat and the difference rn temperature, the acton- lists say, be used to separate the water from the aah LIGHTING FIXTURES SEE OUR LARGE SELECTION Imported Crystal and Metal Chandeliers NEUMANN Electric Co.

419 South Third Street 2-3821 EXPOSURE MAGIC fool an automatic camera, magic was necessary to shoot this camera cruise boat at Bear Mountain on the Hudson River. It was snapped by Barbara Desfctr, 16, with an automatic Rollei-magic from the heavy shadow of a ramp after the exposure meter said it be done. ONE FOR. THE MONEY FIRST NATIONAL BANK Cast away your dreams of owning a boat can enjoy all the fun of boating this a First National Boat Loan. Why the right, gay adventure is stop in soon and find out how low is to finance your boat with a First National Boat Loan.

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