1. Chart showing the Weibull probability density function (PDF) over time. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
2. Chart showing failure rate functions over time. 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. 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
5. Exponential equation used to estimate the number of failures over a given period of time assuming an exponential rate of failure. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
6. Example #1 Exponential equation used to estimate the number of failures over a given period of time assuming an exponential rate of failure. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
