PICTURE THEATRES.

Wairarapa Times-Age, 14 April 1941, Page 7

PICTURE THEATRES.

Entertainment Guide. CARTERTON. REGENT.—Tonight: Great Easter attraction: George Formby in “Gunner . George,” with Coral Browne and Gary Romney. George's nautical comedy. (Approved for Universal Exhibition.) GREYTOWN. TOWN HALL. —Tonight: The laugh of a lifetime. Jean Arthur, Melvyn Douglas and Fred Mac Murray in “Too Many Husbands.” (Recommended by Censor for Adults.) FEATHERSTON. COSY. —Tonight: Bette Davis. Miriam Hopkins;, George Brent in "The Old Maid." It is Bett.e Davis’s greatest performance. (Recommended by Censor for Adults.)

ter the mechanism automatically drops into mesh, rewinds the shutter, winds over the exposed portion of the film, and changes the number on a vender counter. Like some older types the modern aerial camera is built on the unit system; any part can therefore be quickly replaced. No special tools are needed for dismantling. The effect cf extreme changes in temperature is overcome by a heating arrangement which prevents excessive contraction in the shutters. In the past this was the principal cause of jamming at high altitudes. New mountings, and increases in the speed of the shutters and of the panchromatic emulsions, have overcome vibration and the forward movement of the airccraft. In machines travelling at 250 miles per hour successful vertical photographs have been taken from as low at 200 feet. Processing of air films has been quickened by means of a series of tanks into which the exposed film is put at one end and comes out at the other developed, fixed, washed, and dried ready for printing. There is also the “multiprinter.” which supplies most of the prints required from important negatives. Printing is done from rolls of bromide papir, sometimes as much as 1.000 feet long, and the R.A.F. has plant capable of turning out 500 prints an hour from any negative. FIRING BY CAMERA.

Thc camera does other work besides intelligence. Prospective fighter pilots and air gunners are taught to fire by camera, and the cine-camera guns now used are a great advance.on the single shot camera gun. Bomb-aimers also get practice in sighting and aiming at actual objectives by the “stimulation of bombing photography.” This process was explained in a recent articles in these columns. Bombing practice at night is made possible by the infra-red sensitive film.

The men who collect the photographic evidence for the R.A.F. receive a special training. Although the actual exposure of a plate or film is the first slop in the production of an air photograph. it is by no means the only essential one. The various operations which follow it call for much technical knowledge and skill; tackled wrongly, they would present many different possibilities of failure. Initial training is given al the R.A.F. School of Photo" giaphy. and in order to complete the course successfully men must attain a high standard of knowledge and proficiency.

The value of an air photograph depends. first, on the amount of information to be obtained from it; and. secondly, on the speed with which the finished print can be produced. The better the quality of the picture the easier, the more rapid, and more accurate the work of the “reader,”, who extracts military information from it. Often the quickness at which photographs are in the hands of the “readers determines their value to the bombers.