Condition - Very Good The item shows wear from consistent use, but it remains in good condition and functions properly. Item may arrive with damaged packaging or be repackaged. It may be marked, have identifying markings on it, or have minor cosmetic damage. It may also be missing some parts/accessories or bundled items.
T.T. Brown's Electrogravitics Research
A widely published report with added material found no where else. Introduces the subject of electrogravitics.
