1. Drawing showing factory plant layout next to the Nashua River. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Location: Nashua River, Massachussetts Date: undated Format: Image Agent: unknown
2. Drawing showing old and new method of motor-frame machine group Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
3. 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
4. Plant layout of work to be cleaned, inspected, and reinspected. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
