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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 [ 1 ] and received the Nobel Prize in Physiology or Medicine in 1924 for it ("for the discovery of the mechanism of the electrocardiogram").
However, Einthoven needed an exact way of measuring the minute amounts of current. In 1897 a French electrical engineer, Clement Ader, invented the "string galvanometer", containing a tensioned string of quartz. In 1903, Einthoven modified Ader's machine, adding electrodes attached to the patients limbs and thorax.
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 venture used the slogan "Christmas Tree Ship: My Prices are the Lowest", with electric Christmas lights and a tree atop the main mast. The trees were sold for between 50 cents and $1, but Herman Schuenemann, affectionately known as "Captain Santa", also gave away some of the trees to needy families.
At $1.25 for 20 tags, Dollar Tree’s Christmas House holiday gift tags won’t break the bank because shoppers pay a mere six cents per tag. ©Dollar Tree Christmas House Casual Christmas-Themed ...
A tree-topper or treetopper is a decorative ornament placed on the top (or "crown") of a Christmas tree or Chrismon tree. [1] [2] Tree-toppers come in many forms, with the most common being a star (representing the Star of Bethlehem) or an angel (representing the Angel Gabriel), both from the Nativity. [1] [3] Additional forms range from a ...
Among those visiting the Christmas tree were Michael and Tania Hardinger, tourists from Denmark. They flew into New York and drove up to Massachusetts, a trip that took longer than anticipated ...