Drake 2-B crystals
R.L.Drake 2-B Receiver Crystals
Try either of these webpages for the R. L. Drake 2-B Receiver Crystals:
http://www.qsl.net/n9bor/drake.htm
http://www.icmfg.com/
http://www.qsl.net/n9bor/drake.htm
http://www.icmfg.com/