13. Example #2 using provided failure equation showing failures over time. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
14. Failure rate example #5 with exponential equations. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
15. Example #6 (continued) showing failure rate with exponential equations. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
16. Failure rate example #5 continued with exponential equations. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
17. 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
18. Failure curve showing the relationship between key variables. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
19. Chart showing the Weibull probability density function (PDF) over time. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
20. Example #3 using the provided failure equation for multiple items. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
21. Exponential equations Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown