PSM V20 D312 Section in the center of the basilica at silchester
Summary
Section in the center of the basilica at Silchester
Tags
compost
fertilisation
popular science monthly illustrations volume 20
the formation of vegetable mould through the action of worms
scientific illustrations
science
science history
popular science
Date
1881 - 1882
Source
Wikimedia Commons
Link
Copyright info
public domain