How to Scan 35 mm Slides On a Flatbed Scanner

“Over a year ago I began trying to work out a cheap and easy way to scan 35 mm slides on an ordinary flatbed scanner–to avoid buying the Transparent Media Adapter for several hundred dollars. This is the third–and, I think, the final–stage in figuring out how to do the same job for free. (If you’re curious, links to my two previous methods are on the Scanning Experiments page.)”