Show WIRELESS telegraphy government officers developing a new system york teb 8 A special to the new york world from washington bays A new system ol 01 wireless graphy has been developed by a western bureau it Is a success said willas R moore chief of the bureau we have been experimenting for years at cobbs island in the potomac river seventy miles below washington we have completed an apparatus that we expect will enable us to signal ships miles or more out at sea we shall soon send cur ships equipped with receiving instruments st we have completed a station al roanoke N C and will eoon have stations at hatteras and cape henry we have succeeded in telegraphing perfectly with our wireless for sixty miles over a rough country around washington that I 1 believe Is fully equal to the best transmission that has ever been accomplished by the marconi method our system is quite distinct from ills arid is being developed along our own lines we succeeded in sending messages for borne distance from a staff only three feet high we estal bUshed regular between the laboratory and washington sixty miles one of our men las a farm near fort myer va just across from washington A bianc one hundred feet high was on the place and at the top wa placed our instruments we were able to com the island as regularly and as freely as though we were working over a wire the speed of the waves was practically that of light we used a of dots and dashes and our receiver was of the sounder trpe we read messages by bound we expect however to develop a receiver that will record messages notwithstanding our success it does not seem that wireless telegraphy Is developed apt ito the point where it can be used for ordinary commercial purposes on land the earth disturbances and a nd the conditions that surround cities would bove obstacles |