To get plans and information on "Top Bar" hives , contact the IBRA :
International Bee Research Association
18 North Road
Cardiff
CF1 3DY , United Kingdom
They have quite a lot of information avalible. Ask for the following :
Information Chart 079c
Chao ,
Marion L.Bristow - Jefe , Seccion Informatica
Agriculture Sciences Campus
Universidad de Concepcion , Campus Chillan
Casilla 537
Chillan , Chile
e-mail: [log in to unmask]