shimano 333 downtube shifters from a 1975 sekine they look awfully dull , more so than normal cast aluminium should look like.
do you guy's think it would be a viable option to polish them with a brass wheel brush on a dremel followed by a plastic wheel brush and compound ?
these are like my shifters, only mine are not with me now.
you can also see what the look like in this link
http://www.flickr.com/photos/thefran...9707/lightbox/