Raychem Auto-Trace Self-limiting Heaters Overhead Transparency, n.d. Mylar transparency with black and red ink. The transparency is titled: "Auto-Trace Self-limiting Heaters / Respond to Temperature" printed in black at the top. Below the title is a line graph with y-axis at resistance and x-axis as temperature. There is a second graph printed below with y-axis as wattage and x-axis as temperature.
"Auto-Trace Self-limiting Heaters / Respond to Temperature / ... / "Resistance of Auto-Trace increases dramatically... / Wattache ourput of Auto-Trace decreases dramatically..." (printed in black ink).
11 x 8.5