http://longlangwithlegs.blogspot.com/2009_06_01_archive.html the article is published on page 59 of Bee Culture, November 2009 check page 49 while you are in
http://uk.groups.yahoo.com/group/warrebeekeeping/ Here's one more type. I imagine you could use an excluder with it, but they don't. Most makers lean toward
Haven't bought or built my 1st TBH yet but was looking at pics and saw a hive that appeared to have 18 bars then another 16 bars on the other side of some form