1. Plant layout showing conveyor belt configured for 12 workers, and another layout doing the same work, configured for 6 workers. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
2. Plant layout showing conveyor belt configured for 12 workers, and another layout doing the same work, configured for 6 workers. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
3. Bracket machining group layout configured for 9 workers and another layout doing the same work configured for 4 workers. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
4. Plant layout of work to be inspected with labels. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
