1. Picture showing the straight-line method of controlling forms reduced the number from 21 to 10 forms. It also reduced the amout of paper from 67,000 to 3,000 annually. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
2. Straight-line method of manufacturing a shaft by shifting work to all on one floor. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
3. Production of shafts through 4 floors of factory buiding. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
