41. High Voltage Lab. Collection: Images from the Rare Book and Manuscript Collections Location: Ithaca, New York Format: Image Creator: Cornell University, College of Engineering
42. Geology field station Collection: Images from the Rare Book and Manuscript Collections Location: Guiana Format: Image
43. Cornell experimental electic car with professor and student Collection: Images from the Rare Book and Manuscript Collections Format: Image
44. George Wolga's lab - semiconductor materials Collection: Images from the Rare Book and Manuscript Collections Format: Image
45. Gilbert D. Harris at his printing press Collection: Images from the Rare Book and Manuscript Collections Format: Image
46. President Rhodes in electic hot-rod Collection: Images from the Rare Book and Manuscript Collections Format: Image
49. 400,000 test machine with Lev Zetlin Collection: Images from the Rare Book and Manuscript Collections Format: Image
50. Large pipe, six men Collection: Images from the Rare Book and Manuscript Collections Format: Image