1. Mean time between failure curves compared to probability of acceptance. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
2. Graph showing failure rate as a function of time and typical failure rate curve. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
3. Graph showing failure rate as a function of time and typical failure rate curve. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
4. Failure curve showing the relationship between key variables. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
5. Chart showing the Weibull probability density function (PDF) over time. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
6. Chart showing failure rate functions over time. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown