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[4] Einthoven developed a sensitive form of string galvanomter that allowed photographic recording of the impulses associated with the heartbeat. He was a leader in applying the string galvanometer to physiology and medicine, leading to today's electrocardiography. [5] Einthoven was awarded the 1924 Nobel prize in Physiology or Medicine for his ...
Willem Einthoven (21 May 1860 – 29 September 1927) was a Dutch medical doctor and physiologist. He invented the first practical electrocardiograph (ECG or EKG) in 1895 and received the Nobel Prize in Physiology or Medicine in 1924 for it ("for the discovery of the mechanism of the electrocardiogram").
Well-dressed children watch toys in the shop window of a department store displaying Christmas decorations on December 11, 1946. AFP - Getty Images F.W. Woolworth Company: 1947
Read more The post 12 Vintage Christmas Blow Molds Worth Serious Cash appeared first on Wealth G These iconic decorations first came about during the 1940s and have transformed over the decades.
Williams traveled to Holland to study the methods of Willem Einthoven in 1911. [ 2 ] He constructed the first string galvanometer in America, pioneered vectorcardiography , discovered the ventricular vulnerable period, and first determined the 60-Hz current required to produce ventricular fibrillation with body-surface electrodes.
From classic shining stars to cuddly animals to Santa Claus motifs, these are the Christmas tree topper ideas to add into your holiday decor for 2023. The 26 Best Christmas Tree Toppers We Found ...
The increasing popularity of the aluminum artificial Christmas tree, first manufactured in 1958, made this device far less attractive to the consumer, as an artificial tree had no gaps to be filled. The added expense of the lengthy hanging wire , coupled with the diminishing need, caused this feature to be discontinued in 1960.
The Onstott Christmas Extravaganza: Commerce City, Colorado, U.S. Image Credit: Chris Parente / YouTube The Onstott family has created elaborate Christmas light displays for over 20 years.
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