We are also not sure when the first right outside mirror appeared, but the left outside mirror became standard in the 1960s. We do know why objects appear smaller: Convex lenses bend light.

However, the curved surface of a convex mirror also causes lights to reflect differently, which results in objects and other cars appearing farther than they actually are. In the US, the law ...

Therefore, this is not an original convex glass Federal mirror, but a vintage (not antique) example that should still be valued for insurance purposes in the $250 to $350 range.

REID R. STOUT, 74, inventor of convex mirrors used on school buses to see children crossing in front of the vehicle, died Sunday. He developed the panoramic convex mirror after he nearly ran over a… ...

This was known as the Claude glass, a small, dark, convex mirror that framed the view and simplified colors. Fittingly, Claude glasses were also used by tourists visiting picturesque locales.

The convex mirror is used to provide safety for motorists on roads, driveways and in alleys where there is a blind spot or where the driver has limited visibility, the DIG (traffic) said.