Electronics World articles Popular Electronics articles QST articles Radio & TV News articles Radio-Craft articles Radio-Electronics articles Short Wave Craft articles Wireless World articles Google Search of RF Cafe website Sitemap Electronics Equations Mathematics Equations Equations physics Manufacturers & distributors Engineer Jobs LinkedIn Crosswords Engineering Humor Kirt's Cogitations Engineering Event Calendar RF Engineering Quizzes USAF radar shop Notable Quotes App Notes Calculators Education Engineering Magazines Engineering magazine articles Engineering software Engineering smorgasbord RF Cafe Archives RF Cascade Workbook 2018 RF Stencils for Visio RF & EE Shapes for Word Advertising RF Cafe Homepage Sudoku puzzles Thank you for visiting RF Cafe!
Innovative Power Products Couplers

Day in Engineering History Archive - July 1

Day in Engineering History July 1 Archive - RF CafeJuly 1

Happy Canada Day! Click here to return to the RF Cafe homepage.Today is Canada Day. 1788: Jean-Victor Poncelet, who formulated the Continuity Principle (which includes the principle of duality and the method of reciprocation), was born. 1860: Charles Goodyear, who invented vulcanization of rubber, died. 1872: Airplane designer Louis Blériot, was born. 1901: The U.S. Standards Bureau became effective, later to become the National Institute of Standards and Technology (NIST). 1909: Thomas Edison began commercial manufacture of his new "A" type alkaline storage batteries. 1912: Harriet Quimby, the first female pilot to fly across the English Channel, died. 1934: The first X-ray photograph of the whole body taken in a one-second exposure in Rochester, N.Y. 1963: The U.S. postmaster introduced the five-digit ZIP (Zone Improvement Post) code. 1971: Nobel laureate Sir Lawrence Bragg, developer of the Bragg law of x-ray diffraction, died. 1980: "O Canada" was proclaimed the national anthem of Canada. 1983: R. Buckminster Fuller, inventor of the geodesic dome and after whom the Buckeyball (the Buckminster Fullerene) was named, died. 1999: Forrest Mars, inventor of M&M candies and the Milky Way bar, died. 1999: Exactly 6 months before the year 2000, Congress passed legislation to shield businesses from a potential flood of Y2K computer-related lawsuits. 2001: Nobel Prize winning Russian physicist Nikolay Basov, who developed the maser, died.

| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |

Note: These historical tidbits have been collected from various sources, mostly on the Internet. As detailed in this article, there is a lot of wrong information that is repeated hundreds of times because most websites do not validate with authoritative sources. On RF Cafe, events with hyperlinks have been verified. Many years ago, I began commemorating the birthdays of notable people and events with special RF Cafe logos. Where available, I like to use images from postage stamps from the country where the person or event occurred. Images used in the logos are often from open source websites like Wikipedia, and are specifically credited with a hyperlink back to the source where possible. Fair Use laws permit small samples of copyrighted content.

ERZIA (RF amplifiers, wireless, communications) - RF Cafe Rohde & Schwarz RTM3000 & RTA4000 Oscilloscopes - RF Cafe
Rohde & Schwarz USA (RF Component Pocket Guide) - RF Cafe Antenna Test Lab - RF Cafe
About RF Cafe
Kirt Blattenberger - RF Cafe Webmaster
Copyright: 1996 - 2018
Webmaster:
    Kirt Blattenberger,
    BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website:  AirplanesAndRockets.com

spacer