• Engineering school notebook which belonged to S.D. Woodruf

      Woodruff, S.D. (n.d.)
      Engineering school notebook which belonged to S.D. Woodruff. This book contains questions for exercise as well as other mathematical topics. It also contains a page which has the title “The Cataract of Niagara in North America” and quite a few pages of repetitive lines as in “writing lines”. Some of the pages are loose or torn and the notebook is discoloured. This does not affect the text. This book has no covers, n.d.
    • Engineering school notebook which belonged to S.D. Woodruff

      Woodruff, S.D. (n.d.)
      Engineering school notebook which belonged to S.D. Woodruff. This book contains logarithm notes, plane trigonometry, surveying and content of land. The outer page is torn and the notebook is quite discoloured. This does not affect the text. It has no covers, n.d.
    • Haswell's Engineers' and Mechanics' Pocket-Book

      1844
      The book is bound in a leather case with a clasp in the front. Inside is printed "S.D. Woodruff, St. Catharines, C.W." in the front of the book and there is a label which says "Band, 74 De Vere Gardens, Toronto 20, Ontario". A full text version of this book is available at the following link: https://archive.org/details/haswellsengineer00hasw
    • Letter Bucyrus Company to J.J. Reuters, 26 February 1923

      Lehman, W. (1923-02-26)
      A letter from a mechanical engineer from the Bucyrus Company discussing some of their products. He mentions that the shovel can be changed to a dragline if certain changes are made to the machine components.