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Page 88
TO WASH OUR CURRENCY By FRANK N. BAUSKETT WASHING MACHINE FOR BILLS . POPULAR SCIENCE ာ MECHANICS SUPPLEMENT & PREHISTORIC MONSTER NE of. A LL the soiled and germ - laden government notes and greenbacks are to have a cleansing and ...
TO WASH OUR CURRENCY By FRANK N. BAUSKETT WASHING MACHINE FOR BILLS . POPULAR SCIENCE ာ MECHANICS SUPPLEMENT & PREHISTORIC MONSTER NE of. A LL the soiled and germ - laden government notes and greenbacks are to have a cleansing and ...
Page 253
CONVICT'S DEVICE CHECKS DISHONESTY By A CONVICT now serving a twentyyear term at San Quentin has invented an " anti - forgery machine " which will , it is claimed , prevent check raising or forgery and eliminate the passing of scalper's ...
CONVICT'S DEVICE CHECKS DISHONESTY By A CONVICT now serving a twentyyear term at San Quentin has invented an " anti - forgery machine " which will , it is claimed , prevent check raising or forgery and eliminate the passing of scalper's ...
Page 492
PNEUMATIC MACHINE TESTS X - RAYS THE HE pneumatic machine is especially useful in the study of mysterious radiations such as the cathode , anode and the X - rays which are generated in vacuum tubes . The machine is a mercury tube which ...
PNEUMATIC MACHINE TESTS X - RAYS THE HE pneumatic machine is especially useful in the study of mysterious radiations such as the cathode , anode and the X - rays which are generated in vacuum tubes . The machine is a mercury tube which ...
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