Show to preserve timbering the use of poison sprays has not only been bee found effective in preventing destruction the destruction of plants and fruits but it Is now being tested as a means of preserving buildings the timbering of westminster hall the famous old structure adjoining the british houses of parliament has suffered greatly from the rava ravages es of a woodworm Xesto blum tess elatus architect F rank frank baines who states slates that the grub lives only in the oak finds that holes large enough to bury a man waist deep have been made in the oak trusses of the magnificent roof with its shingled span of 68 feet find and he believes the work of destruction has been going on years some of the patching done years ago has shared the attacks made on older portions As a last measure of protection a spraying mixture has been prepared by prof ir BI lefroy from cedar wood oil soft soap ln wax and certain powerful chemicals and the several applications of this that have been made are expected to give relief gas masks have had to be worn in applying this powerful in insecticide |