Posts made in June 1st, 2015

Historic Whistle

Posted by alison on Jun 1, 2015 in Brian, Family, Kendall | 1 comment

I came across a little plastic piece of history–a Cap’n Crunch whistle, that famously blows a perfect 2600Hz when the top hole is covered.  Our kids will never get to make a free phone call this way, but a lot of folks did, when analog phone switches were in use.  🙂    ...