I bought these for sprinkling tiny seedlings without washing them away.
http://cgi.ebay.com/ws/eBayISAPI.dll...m=120575093016
Or you could buy a real vintage cork bottle top sprinkler...
Or maybe a bottle shaped like a maid? :)
http://shop.ebay.com/i.html?_nkw=sprinkle*+vintage+laundry&_sacat=0&_odkw=sprinkle*+vintage&_osacat=0&_trksid=p3286.c0.m270.l1313