15661. Worker using mallet to pack ore around studded tubing before melting down Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
15662. Ore packed around studded tubing before melting down Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
15663. Flowchart of process of interviewing candidates for several positions. Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
15664. Payroll form with space to fill out employee's name and details. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
15665. Topography of skull showing which parts of the brain controlled abstract traits. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
15666. Two photographs of two tests given to employees relating to speed and dexterity. Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
15667. Man vs machine chart, comparing effectiness of 2nd new method, includes operations Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
15668. Man vs. machine chart, comparing effectiveness of new method, includes operations Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
15669. Chart comparing criteria and test scores. Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
15670. Photograph of Henry Woodruff Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
15671. Photograph of Maxim Gorky Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
15672. 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
