First calculating machine presented to Smithsonian. Washington, D.C., March 31. An old macaroni box filled with an arrangement of wheels, rubber bands, meat skewers and staples which was the forerunner of the modern key-driven, multiple-order calculating machine, was presented to the Smithsonian Ins

Boxes placed in Smithsonian in 1881 by telephone inventor opened for first time. Washington, D.C., Oct. Three boxes which Alexander Graham Bell, inventor of the telephone, and two associates placed in the secret archives of the Smithsonian Institution in 1881 and which have remained un ? opened si

Smithsonian receives first farm tile. Washington, D.C., May 6. Dr. C.G. Abbott of the Smithsonian Institute (left) and Professor B.B. Ross (right) Agriculture Engineer of Cornell University who dug up the 190 year old sections from the John Johnston Farm on the shore of Seneca Lake, Seneca County, N

Early knitting machine brought out to show stocking manufacture in 1840. Washington, D.C., Feb. 9. Robert Lawson, lecturing today at the Commerce Department, demonstrated the basic model for making stockings for milady in 1840. The model has been enlarged and improved upon, but is fundamentally the

Here is the "inside workings" of the automatic telephone, located at the Smithsonian Institution, Wash., being operated by Carl Mitman. The electro magnets do all the work. The current necessary to operate these magnets is supplied by 32 dry batteries located in the box at the left. The motor genera

Adding prize winner. Washington D.C. In a speed and accuracy contest for adding machine operators last night, William A. Offutt of the Washington Loan and Trust Company, was declared winner over a field of 30 contestants. The contest was sponsored by the Washington Chapter, American Institute of Ban

Scientists for Uncle Sam awarded Magellan Gold Medal. Dr. L.J. Briggs, left, Assistant Director and Dr. Paul R. Heyl, Chief of the Sound Section of the United States Bureau of Standards, with the first successful experimental model of the earth inductor compass, which they developed for the Army Air

New fathometer used at full speed. Washington, D.C., May 7. Dr. Herbert Grove Dorsey of the U.S. Coast and Geodetic Survey has invented an instrument to secure the precise measurement. The machine sends a sound, pitched so high that it is above audibility, traveling thru the water a known speed, the

Motion pictures by radio coming soon. Motion pictures by radio is very near, predicts C. Francis Jenkins, who has designed this small radio- vision receiving set for use in the homes. It is only a few inches square and is attached to the regular radio receiving set. A miniature motion picture screen