. . . "London Road,Upton, Slough, SL3 7HJ" . . . "Slough Laboratory" . . . "1929" . "Pest Infestation Control Laboratory" . . "Pest Infestation Laboratory" . . . . . . "Pest Infestation Laboratory" . . "25.0" . . . . . . . . . "Pest Infestation Control Laboratory" . . . . . . . . . .