18973. Visual perception test for applicant to identify dots that are off center in circles on a page. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
18974. Engine lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Unknown Date: undated Format: Image Agent: unknown
18975. Spiral inspection designed to test inspection ability Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
18976. Female worker demonstrating old and new ways of inspecting bearing assemblies. Collection: Early 20th Century Engineering Lantern Slides Set: Time and Motion study Date: undated Format: Image Agent: unknown
18977. Job evaluation form rating employee based on their education, experience, judgement, initial, mental and visual concentration, responsbility for errors, confidential data, contact with others, responsibility for work of others, and working conditions. Collection: Early 20th Century Engineering Lantern Slides Set: Job rating Date: undated Format: Image Agent: unknown
18978. Manual dexterity test for female worker. Arrows point to the direction where the pegs should go. It appears the round pieces of wood are flipped from a dark side to a light side. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
18979. Micromotion chart data for operation of drill sleeve Collection: Early 20th Century Engineering Lantern Slides Set: Time and Motion study Date: undated Format: Image Agent: unknown
18980. 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
18981. Chart showing failure rate functions over time. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
18982. Factory building steam boiler engines for ships, multiple engines and steering wheels are shown. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
18983. Example #4 using the provided failure equation for one item. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
18984. Example #6 showing failure rate with exponential equations. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
