121. Manual dexterity test for female worker. Arrows point to the direction where the pegs should go. The pegs and washers are removed, with the washers stacked on a pole. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
122. Manual dexterity test for female worker. Arrows point to the direction of movement. The washers are removed and reattached to the pegs. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
123. Manual dexterity test for female worker. Arrows point to the direction of movement. The washers are removed and reattached to the pegs. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
124. Manual dexterity test for female worker. Arrows point to the direction where the pegs should go. Hands cross as they move the pegs. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
125. Manual dexterity test for female worker. Arrows point to the direction where the pegs should go. Hands cross as they move the pegs. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
126. Manual dexterity test for female worker. Arrows point to the direction where the round pieces of wood should go. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
127. Manual dexterity test for female worker. Arrows point to the direction where the pegs should go. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
128. Arkwright's spinning machine Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: unknown Date: undated Format: Image Agent: unknown
129. Slaves pedaling on a water wheel used from ancient Egypt to China Collection: Early 20th Century Engineering Lantern Slides Set: History Date: undated Format: Image Agent: unknown
130. Spinning wheel for wool Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: unknown Date: undated Format: Image Publisher: Harper's
131. Spinning jenny Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: unknown Date: undated Format: Image Publisher: unknown
132. Richard Robert's back-geared lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Publisher: unknown
