LATE 1920'S, EARLY 1930'S: THE VE-PO-AD, GONE BUT NOT FORGOTTEN

Continuing our new Everything Croton series for 2014 - GONE BUT NOT FORGOTTEN - we bring you the latest from the late 20's, early 30's: THE VE-PO-AD calculator! 

Yes you too can make a

fortune selling the most amazing invention in twenty-five years!

Click on the ad to read all about it--and find out more about the Ve-Po-Ad, Troncets, Arithmometers and more @ the link below. http://www.gizmology.net/sliderules_adders.htm 

SEE PREVIOUS INSTALLMENTS OF THIS SERIES HERE:

--1900, HARRIS FIRE ESCAPE FURNITURE  http://everythingcroton.blogspot.com/2014/05/harris-fire-escape-furniture-gone-but.html 
--THE 1894 FLY FAN http://everythingcroton.blogspot.com/2014/01/the-1894-fly-fan-gone-but-not-forgotten.html 
--THE 1928 ROLMONICA http://www.everythingcroton.blogspot.com/2014/05/the-1928-rolmonica-gone-but-not.html