Abstract: An apparatus for beveling a marginal edge of a sheet of glass which includes a table having a top opening in which a support plate for the glass sheet to be bevelled is disposed with a grinding wheel mounted on the table over the support plate, the grinding wheel being fixed to a shaft drivably connected by a belt to a drive motor on the table and the shaft being rotatably mounted in bearings supported on an adjustment device mounted on the table by means of which the horizontal, vertical and angular positions of the shaft and therefore the grinding wheel may be set together with a guide on a support plate which the marginal edge of the glass sheet to be bevelled engages as the glass sheet is moved slidably on the support plate with the glass sheet marginal edge in grinding engagement with the peripheral edge of the grinding wheel.