I think you can still find them from electronics dealers; Jameco still has them listed in their online catalog, for example: http://www.jameco.com/webapp/wcs/st

I think you can still find them from electronics dealers; Jameco still has them listed in their online catalog, for example: http://www.jameco.com/webapp/wcs/stores/servlet/Product_10001_10001_52169_-1 http://www.jameco.com/webapp/wcs/stores/servlet/Product_1000...