Hagedorn's needle a form of flat suture needle. hypodermic needle a hollow, sharp-pointed needle to be attached to a hypodermic syringe for injection of solutions. knife needle a slender knife with a needle-like point, used in ophthalmic operations.traumatic needle an eyeless surgical needle with the suture attached to a hollow end. biopsy needle a hollow needle with an inner needle that detaches tissue for biopsy and brings it to the surface of its lumen; types include the Menghini and Silverman needles.
Theodore Thomas (conductor) Theodore Thomas (October 11, 1835 â January 4, 1905) was an American violinist and conductor of German birth. He is considered the first renowned American orchestral conductor and was the founder and first music director of the Chicago Symphony Orchestra (1891â1905).
Publisher. A+E Networks. On this day in 1922, President Warren G. Harding, while addressing a crowd at the dedication of a memorial site for the composer of the âStar Spangled Banner,â Francis Scott Key, becomes the first president to have his voice transmitted by radio.ike Harding, President William Taft used the phonograph to distribute recordings of his speeches. However, the most rapid advancement in communication for presidents occurred in the 20th century. With the invention of radio and television and then the internet, politicians could transmit information instantaneously.