Balance, employed in physical and chemical researches. The beam is constructed so as to combine lightness with strength, and rests by a fine knife-edge on an agate plane, vintage line drawing or engraving illustration. Poster #395713614
Balance, employed in physical and chemical researches. The beam is constructed so as to combine lightness with strength, and rests by a fine knife-edge on an agate plane, vintage line drawing or engraving illustration. Poster #395713614
