1 Calories Burned For Walking: 4.6 km/h (13 minutes per km). 2  Calories Burned For Walking: 4 km/h (15 minutes per km). 3  Calories Burned For Walking: 3.15 km/h (19 minutes per km).
The first true hypodermic syringe was created by Alexander Wood in 1853. He modified a regular syringe, which at that time was used for treating birthmarks, by adding a needle. He then used this new device for introducing morphine into the skin of patients who suffered from sleeping disorders.
Part of the Tampax menstrual tampon patent Tampax enjoys its fame from having sold the first tampon with an applicator, patented (1926900, filed 19 November 1931, dated 12 September 1933, above) by Dr. Earle Haas of Denver, Colorado (U.S.A.).