00:00:00.000 — The still from the 1970s PSA 'Save Electricity by Using Reflector Bulbs' features a dimly lit scene where a figure is highlighted in front of a stop sign. The overall mood is somber, indicating a serious tone related to the message about energy conservation. The figure may be seen holding or gesturing toward the reflector bulb, emphasizing its importance in saving electricity.

00:00:29.496 — The still showcases a smiling man in a police uniform, possibly a traffic officer, standing in front of a stop sign. The lighting appears to have a pinkish hue, typical of some promotional materials from the 1970s. The context focuses on promoting the use of reflector bulbs to save electricity, likely presenting a friendly and approachable demeanor to convey the message effectively.