Welcome to #LAPLArchiveHistory Day 83
Earthquakes Edition
● Answer in the comments below.
● Include a link to our archive with the answer.
● Retweets are always appreciated.
Archive: http://tessa.lapl.org
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Who is the surprise guest invited to teach students about earthquakes?⠀pic.twitter.com/tCYOk7C7BG
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What projects necessitated Dr. Charles F. Richter to install a seismograph in his living room?pic.twitter.com/I4Dgxi0Dj6
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He had the instrument installed to facilitate his participation at night in two projects: the exchange of earthquake information with the news people and the Seismic Sea Wave Warning Systerm of the U.S. Coast and Geodetic Survey. https://tessa.lapl.org/cdm/singleitem/collection/photos/id/21711/rec/1 …
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