Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
frequency meter
Table of Contents
Introduction References & Edit History Related Topics
Quizzes
barometer. Antique Barometer with readout. Technology measurement, mathematics, measure atmospheric pressure
Fun Facts of Measurement & Math
Related Questions
Read Next
Blackboard inscribed with scientific formulas and calculations in physics and mathematics
The World Science Festival’s Pioneers in Science
Laboratory glassware (beakers)
5 Quizzes That Will Tell You Whether You Should Have Been a Scientist
Abstract vector hi speed internet technology background
History of Technology Timeline
molecule model, element
Molecular Machines: Making for the Future
Binary Computer Code, Binary Code, Internet, Technology, Password, Data
How Does Wi-Fi Work?
Discover
Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society
12 Novels Considered the “Greatest Book Ever Written”
Titanic infographic. The 30th anniversary of its discovery is September 1, 2015. SPOTLIGHT VERSION.
Timeline of the Titanic’s Final Hours
Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd
Causes of the Great Depression
Shah Jahan. Taj Mahal. Mughal architecture. Emperor Shah Jahan fifth Mughal Emperor (reigned 1628-1658) India, Himachal Pradesh, Basohli or Jammu and Kashmir, Mankot, circa 1690 Drawings; Opaque watercolor, gold, and ink on paper (see notes)
6 Important Mughal Emperors
Currency. Money. Cash. Dollars. Bills. Pile of ten, twenty, fifty, and hundred dollar bills.
6 Questions About the History of Money and Banking Answered
Easter Procession of Maria Santisima del Sacromonte in Granada, Spain. This statue is known as Virgen de los Gitanos or The Virgin of the Gypsies.
What is Holy Week?
July, 2006, Launch of Space Shuttle Discovery STS-121. See attached for full caption information.
Will Light-Speed Space Travel Ever Be Possible?

frequency meter: Related Content

verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Share
Share to social media
URL
https://www.britannica.com/facts/frequency-meter
Written and fact-checked by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
The Information Architects of Encyclopaedia Britannica

Related Topics and References

Topics

Related Quizzes and Features

Quiz
barometer. Antique Barometer with readout. Technology measurement, mathematics, measure atmospheric pressure
Fun Facts of Measurement & Math