What Type Of Stain Was Used For Staining The Histological Tissues?

What Type Of Stain Was Used For Staining The Histological Tissues? Hematoxylin is a basic dye that is commonly used in this process and stains the nuclei giving it a bluish color while eosin (another stain dye used in histology) stains the cell’s nucleus giving it a pinkish stain. Which stains are used in histology?