Wow. Just wow. Thank you for these lines and great ideas ("discard first half of matches" and use regex)!
Just a small thing: the regex gives me the whole line instead of just the values back when running it (what did I miss?):
$ perl -nle"m[<font size=1>([^<]+)</font></td></tr>] and print $1" jun
+k.html
<tr bgcolor=#DFDFDF><td><font size=1>drill diameter:</font></td>
+ <td
+><font size=1>936</font></td></tr>
<tr bgcolor=#CCCCCC><td><font size=1>drill depth:</font></td>
+ <td><font s
+ize=1>20</font></td></tr>
<tr bgcolor=#DFDFDF><td><font size=1>drill speed:</font></td>
+ <td><font size=1>4</font></
+td></tr>
<tr bgcolor=#CCCCCC><td><font size=1>drill material:</font></td>
+ <td
+><font size=1>506</font></td></tr>
<tr bgcolor=#DFDFDF><td><font size=1>height:</font></td>
+ <td><font s
+ize=1>502</font></td></tr>
<tr bgcolor=#CCCCCC><td><font size=1>width:</font></td>
+ <td><font size=1>6</font></td></tr>
<tr bgcolor=#DFDFDF><td><font size=1>angle:</font></td>
+ <td><font size=1>2.76</font
+></td></tr>
<tr bgcolor=#CCCCCC><td><font size=1>cooling liquid:</font></td>
+ <td><font s
+ize=1>14</font></td></tr>
<tr bgcolor=#DFDFDF><td><font size=1>manufactured in:</font></td>
+ <td
+><font size=1>27</font></td></tr>
<tr bgcolor=#CCCCCC><td><font size=1>lane code:</font></td>
+ <td><font size=1>76
+</font></td></tr>
<tr bgcolor=#DFDFDF><td><font size=1>quality test 1:</font></td>
+ <td
+><font size=1>581 (11.4%)</font></td></tr>
<tr bgcolor=#CCCCCC><td><font size=1>quality procedure:</font></td>
+ <td
+><font size=1>19,021</font></td></tr>
<tr bgcolor=#DFDFDF><td><font size=1>quality test 2:</font></td>
+ <td><font s
+ize=1>843 (90.1%)</font></td></tr>
<tr bgcolor=#CCCCCC><td><font size=1>package worth:</font></td>
+ <td><font s
+ize=1>$257,524</font></td></tr>
<tr bgcolor=#DFDFDF><td><font size=1>single unit worth:</font></td>
+ <td
+><font size=1>$90,945</font></td></tr>
<tr bgcolor=#CCCCCC><td><font size=1>colour:</font></td>
+ <td><font size=1>48</font><
+/td></tr>
<tr bgcolor=#DFDFDF><td><font size=1>coating:</font></td>
+ <td><font size=1>2,602</fon
+t></td></tr>
<tr bgcolor=#DFDFDF><td><font size=1>sold this month:</font></td>
+ <td><font size=1>118</font>
+</td></tr>