These pics show the "classic" NR type. About 60degrees back sweep from the axle. Priest bars are much closer to Albatross, having a nearly 90degrees back sweep. They were often found with cam-roller brakes. Doves and such are all variations on the theme.
ANT bikes are the ultimate in Bike Porn.
http://i18.tinypic.com/2mxr70m.jpg
http://i17.tinypic.com/4868ui0.jpg