| 摘要 |
<p>A method of levelling a picture and a levelling assembly constructed in accordance with the teachings of the method. A first step involves suspending a picture (20) from a single mounting point (40) located at an upper portion of the picture (20). A second step involves securing at least one roller (22) to a lower portion (18) of the picture (20) to facilitate self levelling radial movement about the upper mounting point (40) by force of gravity.</p> |
