Hatching Jar that is Inexpensive and Simple to Assemble
Auteur : R. W. Rottmann
Date de publication : 1988
Éditeur : Non disponible
Nombre de pages : 2
Résumé du livre
Construction of an inexpensive hatching jar is described. The jar is made from a disposable plastic soft-drink bottle and plastic pipe components. Each unit can be assembled in approximately 5 min at a cost of less than $2.00.