00:00:41.975 — The still from the 1970s PSA by the National Agricultural Chemicals Association features a close-up view of someone's legs walking through rows of leafy greens, likely in a farm or garden setting. The image emphasizes agricultural practices, possibly showcasing the role of agricultural chemicals in farming. The scene appears vibrant, reflecting the lushness of the crops. The text overlay indicates that the image is not intended for broadcast.

00:00:44.144 — The still from the 1970s PSA by the National Agricultural Chemicals Association depicts a close-up view of lush, green lettuce leaves in a field. The imagery likely aims to highlight the importance of agricultural chemicals in promoting healthy crops and ensuring agricultural productivity. The visual composition emphasizes the vitality of the plants, reflecting the era's focus on agricultural advancements.

00:00:59.793 — The still features a simple black background with the text 'In16mm.com' prominently displayed. This likely indicates a platform related to 16mm film content, possibly offering information or archives on films, including public service announcements like the one from the National Agricultural Chemicals Association from the 1970s. The PSA would have focused on promoting safe practices related to agricultural chemicals during that era.