For those of you who collect unusual 1903 springfield items. Here's a Hollifield Dotter complete with wooden case. Interesting item I wonder how well it worked.
Look at this on eBay:
http://www.ebay.com/ulk/itm/190881737902
ORIGINAL WWI US CASED HOLLIFIELD DOTTER TUBES FOR 1903 SPRINGFIELD & 1917 RIFLE