Braunschweig: Druck und Verlag von Friedrich Vieweg und Sohn, 1882. Zweite Umgestaltete Auflage. Hardcover. 22 x 14.5 cm. Octavo. 423pp. Fold-out plate of spectral lines. In-text figures. Second revised edition. German language text. Bound in 3/4 brown cloth with marble boards.Chipping to the head and tail of spine. Fading to spine. Previous owner's bookplate on front fixed endpaper, and an older owner's name on title page else internally clean. Good. Item #66889
Beer's findings led to the Beer-Lambert law which relates the attenuation of light to the properties of the material through which the light is traveling.