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Late 19th or early 20th century. This galvanometer was used at the transatlantic cable station, Halifax, NS, Canada Modern mirror galvanometer from Scanlab. A mirror galvanometer is an ammeter that indicates it has sensed an electric current by deflecting a light beam with a mirror. The beam of light projected on a scale acts as a long massless ...
An early D'Arsonval galvanometer showing magnet and rotating coil. A galvanometer is an electromechanical measuring instrument for electric current.Early galvanometers were uncalibrated, but improved versions, called ammeters, were calibrated and could measure the flow of current more precisely.
Specifically, to count as a legitimate view, a user must intentionally initiate the playback of the video and play at least 30 seconds of the video (or the entire video for shorter videos). Additionally, while replays count as views, there is a limit of 4 or 5 views per IP address during a 24-hour period, after which point, no further views ...
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The channel is known for its videos on restoration of old computers, [12] [13] and demonstration of old technology. [14] [15] Murray has also developed video games designed to run on old computers, including Planet X1 for the VIC-20, [16] Planet X2 for Commodore 64, [17] [18] Planet X3 for MS-DOS [19] [20] [21] and Attack of the PETSCII Robots for the Commodore PET (since ported to other ...
1. Choose Your Guilt-Free Days Carefully. Whether you’re on a weight loss journey or just trying to stay fit, you don’t need to avoid all the festive foods you love. But you also don’t need ...
In May 2013, the Spotlight channel was being used to stream its Comedy Week event, produced by ChannelFlip. During the event, YouTube used its homepage to spotlight comedy videos made specifically for the event. [16] The video of the 2-hour kickoff event has earned 1.06 million views as of September 2014. [17]
Mark Wahlberg and Rhea Durham's kids are home for Thanksgiving!. Durham, 46, shared a rare photo of herself, her actor husband, 53, and their four children — Ella, 21, Michael, 18, Brendan, 16 ...