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.
Tracheotomies were used in the early 1800's for airway inflammation in children due to Diphtheria. The first documented successful tracheotomy performed on a child was reported in 1808. The Tracheotomy Tube, short story of a child with a trach in 1892. Photo's of Antique Tracheostomy Tubes.