Note 29 — Chapter V
Reading edition
Special laboratories, with walls constructed to minimise the force of a shock were erected at this time at four different points in Paris,—Montrouge, Aubervilliers, Berey, and Le Point du Jour.
Reading edition
Special laboratories, with walls constructed to minimise the force of a shock were erected at this time at four different points in Paris,—Montrouge, Aubervilliers, Berey, and Le Point du Jour.