[11] This necessary attention to economy also aided the simplicity
of his apparatus, and was the means in some degree of improving it
in this important respect. This plainness of his apparatus rendered
his experiments easy to be repeated, and gave them accuracy. In this
respect he was like his great Cotemporary Scheele, whose discoveries
were made by means easy to be procured and at small expence. The French
Chemists have adopted a practice quite the reverse.