Mathematicians know pi, 

the ratio of the circumference of a circle to its diameter:


The wine industry knows WinePi, 

the number of gallons of wine in a case:



Wine Bankruptcy Bingo


This is the home site for Mike Von der Porten,

the WinePi Guy.


Links to pages...

Edward P. Von der Porten 1933-2018

State Park Special Event Permits

Analy High School 1964

Imperial Valley Geothermal Plant Scrapbook 1980

Southern Pacific History 1931

California Budget Graph



SCRA- Sonoma County Radio Amateurs - Short Skip history


2-meter CPVC tape measure antenna


Ironstone Vineyards


Central California Traction Company


Dave & Bill Hike


Sir Francis Drake in California


Eric Von der Porten


Saryl Von der Porten


Proctor Terrace


Club Med Ixtapa Mexico


Santa Rosa Pedestrian Parity


Free Snoopy


This American Life - Crackpot


SIRARC - Sons In Retirement Amateur Radio Club


Shell Oil


No License No Drive


West Virginia 2011


Russian River Community Blood Bank


Walking directions to Best Western Iwo Jima / Arlington, VA


Luther Burbank


Disneyland 2013





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