Sleep Disorders
Paradoxical insomnia
Aug. 10, 2025
This is an image preview.
Start a Free Account
to view the full image.
-
Nearly 3,000 illustrations, including video clips of neurologic disorders.
-
Every article is reviewed by our esteemed Editorial Board for accuracy and currency.
-
Full spectrum of neurology in 1,200 comprehensive articles.
-
Listen to MedLink on the go with Audio versions of each article.
"Franklin and Electricity" (c. 1860)
A realistic interpretation of the 1752 experiment in Philadelphia in which Franklin demonstrated that lightning is a form of electricity. This Bureau of Engraving and Printing engraved vignette, "Franklin and Electricity" (c. 1860) by Alfred Jones, was used on the left obverse of the $10 National Bank Note from the 1860s to 1890s. The vignette appears on the $10 National Bank Note. This engraving was scanned from an original impression as part of a Treasury Department presentation album of portraits and vignettes (c. 1902). (Public domain.)