Soldier "Guinea-Pg" visit the headstand "Sweat Box". Sixty soldiers are setting as volunteer guineas pigs in the army medical Tests - to fling out whether a man's efficiency drop when he is posted from a cold clime to a hot one. Many of these tests are being carried out at the medical research council's climatic chamber The army calls it he "Hampsitead Hot Box". in it the men - coated in preparation set up on to foot high stools - pause - then step back to he floras again and again. They keep this up for 30 minute sessions with thirty minutes rest between. They are exhausted at the end of a four hour session for the box temperature is 104 deg.f. with a relative humidity of 70 p.c. The effect of the exerciser on the men are checked by medical experts continually. photo shows Sacked in persecution one of the "Guinness pigs" sets the scale for the weighing of a fellow 'sufferer" in the "Hot Box".
Photo measures 10.25 x 8 inches.
Photo is dated 8-5-1960.
Photo back: