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2. String galvanometer - Wikipedia

   en.wikipedia.org/wiki/String_galvanometer

   [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 ...

3. The 26 Best Christmas Tree Toppers We Found Online This Year

   www.aol.com/lifestyle/26-best-christmas-tree...

   Christmas Tree Topper Bow. Have your tree topper match the presents at the tree's base with this glittering bow. Stick with the shining silver, or choose from other festive colorways like a candy ...

4. Tree-topper - Wikipedia

   en.wikipedia.org/wiki/Tree-topper

   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 ...

5. The Star Christmas Tree Toppers of the Season - AOL

   www.aol.com/lifestyle/star-christmas-tree...

   As you prepare your home for holiday festivities, we've rounded up the best Christmas tree toppers, whether you opt for a traditional star, ornamental sculpture, faithful angel, or other accoutrement.

6. Willem Einthoven - Wikipedia

   en.wikipedia.org/wiki/Willem_Einthoven

   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").

7. List of Dutch inventions and innovations - Wikipedia

   en.wikipedia.org/wiki/List_of_Dutch_inventions...

   Dutch physiologist Willem Einthoven developed the string galvanometer in the early 20th century, publishing the first registration of its use to record an electrocardiogram in a Festschrift book in 1902. The first human electrocardiogram was recorded in 1887, however only in 1901 was a quantifiable result obtained from the string galvanometer.