Photo positives and negatives, photo slides, transparencies, proof sheets, relating to lawns and homes, the chemical plant and research building, company life (including the 1970 Union show for families), products, and equipment. Boxes 23-24 contain an extremely large photo album (contents dated 1957-1964) divided into two boxes for preservation and access depicting product stock displays and promotional photographs. Other photo albums within the collection depict exhibits, displays, awards ceremonies, and company staff portrait. Box 42 contains boxes of slides.