origin
: France
matierial : iron, wood, linen
dimensions (cm) : L=28.5, W=13.3, W=3.5
date : first half of the 20th century
collection Agropolis-Museum, Inv. n 97.1.54
Used
at farm level to verify either the soundness of an egg to be eaten (importance of the air bubble, absence of any embryo), or the adequate development of an embryo before hatching.