49. Present operation on a shaft with 20 steps along with proposed revised operation with fewer (11) steps. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
50. Schematic drawing showing flow with arrows of a specific part with proposed rearrangement. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
51. 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
52. 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
53. Spencer double-turret automatic screw machine, showing the "Protean cam." Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: unknown Date: undated Format: Image Agent: unknown
54. Acme multiple spindle automatic screw machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
55. Automatic lathe by Jones and Lamson, front view Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Springfield, Vermont Date: undated Format: Image Agent: unknown
56. Man standing next to automatic lathe by Jones and Lamson, back view Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Springfield, Vermont Date: undated Format: Image Agent: unknown
57. Automatic screw machine turning stock from 1/2 inch to 2 inches. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Providence, Rhode Island Date: undated Format: Image Agent: unknown
58. Dimensions and time costs of work done on the flat-turret lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: unknown Date: undated Format: Image Agent: unknown
59. Motorized turret lathe by Potter and Johnson, their name imprinted on the machine. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Pawtucket, Rhode Island Date: undated Format: Image Agent: unknown
60. Universal multiple drill machine, drilling both horizontal and vertical Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
