<!DOCTYPE HTML PUBLIC "-//W3C/DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>
<title>Ruler</title>
<style>
</style>
</head>

<body>
<table border="5px">

<tr>
  <td width="50px">50px</td>
  <td width="50px">100px</td>
  <td width="50px">150px</td>
  <td width="50px">200px</td>
  <td width="50px">250px</td>
  <td width="50px">300px</td>
  <td width="50px">350px</td>
  <td width="50px">400px</td>
  <td width="50px">450px</td>
  <td width="50px">500px</td>
  <td width="50px">550px</td>
  <td width="50px">600px</td>
  <td width="50px">650px</td>
  <td width="50px">700px</td>
  <td width="50px">750px</td>
  <td width="50px">800px</td>
  <td width="50px">850px</td>
  <td width="50px">900px</td>

</tr>

</table>
</body>

</html>