19153. Drawing of man illustrating "will regions" Collection: Early 20th Century Engineering Lantern Slides Set: Face-Related Data Date: undated Format: Image Agent: unknown
19154. Deriving failure equations for n items Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
19155. Exponential equations Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
19156. 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
19157. Process chart of hand posting of errors on employees record card Collection: Early 20th Century Engineering Lantern Slides Set: H. I. M. (Human Interaction Management) Date: undated Format: Image Agent: unknown
19158. Man using a broaching machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: 1948 Format: Image Agent: unknown
19159. Double spindle machine or gear tooth chamfering machine by W. C. Lipe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: 1918 Format: Image Agent: unknown
19160. Machinist using a boring machine with water from faucet cooling the device. His supervisor, in a suit, looks over his shoulder. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
19161. Multiple spindle drill press Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Date: circa 1930 Format: Image Agent: unknown
19162. Man using a scraping tool to true the bore of a machine tool. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
19163. Multiple spindle vertical lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
19164. Arkwright's spinning machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: unknown Date: undated Format: Image Agent: unknown