133. Muliple drilling machine drawing comparing old and new methods. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
134. Typical single spindle Gardner grinder, no. 7 1/2 Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Beloit, Wisconsin Date: undated Format: Image Agent: unknown
135. Single spindle machine with motor drive Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
136. Man checking a machine tool spindle for concentricity using a test indicator. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
137. 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
138. Core for engine, possibly for airplane Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
139. Two drawings showing half outside elevation and sectional front elevation of steam engine. Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
140. Steam boiler showing steam and water from risers Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
141. Smoke indicator, sectional view through boiler uptake Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
142. Diagram of assembly of inertia type speed regulating controller Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
143. Interior view of a cruising tubine Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
144. Exterior view of a cruising turbine Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
