This file contains two articles. One is an excerpt from a letter on the sleigh brake and how it works. The other is on the gravel pre-loader and how it is used and constructed.

This file contains different articles on improvements and innovation in logging and steel construction in Canada during the late fifties and early sixties. These articles are all in Modern Wood, distributed through the Canadian Institute of Timber Construction.

This file contains a list of minerals with corresponding pages from the Atlas Steels' album of world minerals. These articles include information on the mineral and what it is used for.

This file contains a set of photographs titled Mining in Canada that show mining and how it is used in the community. These include pictures of mines themselves as well as pictures of bridges and buildings that showcase why mining is important. These photographs were produced by The National Film Board of Canada in cooperation with The Department of Mines and Technical Surveys.

This file contains meeting minutes from different meetings regarding research with the Northwestern Ontario Committee on Co-ordinated Research. It also includes a variety of articles about research involving different aspect of logging. It also includes a transcribed speech given to the Northwestern Ontario Section of Canadian Institute of Forestry at the Prince Arthur Hotel in Port Arthur, Ontario, now Thunder Bay, Ontario.

This file contains a collection of magazines titled the Engineer. There are eight issues in this file dating from 1947 to 1958 and contain articles on innovations in engineering.

This file contains submissions to the Royal Commission on corporate concentration.Prepared on behalf of Norcen Energy

This file contains the Thunder Bay Chamber ofCommerce membership directoryand buyer's guide

This file contains leaflets on different Indigenous communities from the National Museum of Canada. These are titled, Indians of Canada, The Iroquoians, Pacific Coast Tribes, Plains Indians, The Eskimo, Mackenzie River Tribes, and The Cordillera Indians.

This file contains two pamphlets. One titled "Troubles of Electrical Equipment" and the other titled "Testing Insulation Resistance of Electrical Equipment"

This file contains a collection of articles in engineering from a number of different journals and newspapers.

This file contains essays on engineering and forestry in Northwestern Ontario paired with letters about these essays.

This file contains a bound book of information of mercury-arc rectifiers, published by Westinghouse

This file contains a collection of texts regarding R.H Nichols Ltd., including information on engineering and personal correspondence.

This file contains blueprints for different kinds of machinery. It also contains handwritten and typed notes about these blueprints and articles on different kinds of machinery.

This file contains a collection of articles from International Water Supply Ltd. titled the "ABC's of Water". Each article features a different description of aspects of hydrology.

This file includes data and diagrams on wound rotor motors.

This file contains a collection of information on different kinds of batteries. This information comes in the form of magazines, brochures and personal notes.

This file contains typed and written notes on different tap changers.

This file contains a report about insect survey work done in the Port Arthur district. This also includes a letter detailing what the report entails written by J.E MacDonald to R.B Boultbee.

This file contains the report of the forest biology ranger in the Port Arthur district. also includes a letter by J.E MacDonald to R.B Boultbee about the report. The report was written by H.R. Foster.

This file contains a report on the forest insect survey done under H.R. Foster, the forest biology ranger in the Port Arthur district. It also includes a letter by W.L Sippell to the Forest Insect Laboratory about the report.

This file contains a report on the status of forest insects in the Port Arthur district written by H.R Foster. It also contains a letter from J.E. MacDonald to the Forest Insect Laboratory detailing what is in the report.

This file contains monthly summaries of results from the insect survey done in the Port Arthur district.

This file contains monthly reports on the results form the insect survey done in the Port Arthur district. These reports are from June 1948, July 1948, August 1948, September 1948, and June 1949.

This file contains monthly summaries of the results from the insect survey done in the Port Arthur district in 1952.

This file includes reports from the Lakehead Technical Institute on different tractors in use. Includes diagrams of parts, issues with the machines, and proposed solutions across reports. Also includes training manuals for how to use the machinery. These reports span from 1950-1961.

This file includes reports from the Lakehead Technical Institute on trucks and snow mobiles. These reports include general information on different vehicles in use, problems with them, and solutions to those problems.

This file includes reports on vehicles and parts used to haul lumber. These reports include diagrams and issues with the equipment.,

This file contains reports on different kinds of sleighs and parts. These reports include descriptions and how different machinery works along with diagrams.

This file contains reports on different cutting tools as well as a report of the cutting tools field meeting of the woodlands section in 1952.

This file contains reports on bark removal and sap collecting tools. These reports contain diagrams and descriptions of the tools.

This file contains reports on different cutting tools and how they are used in forestry. This includes diagrams and descriptions.

This file contains reports on different machinery and materials used for logging. These include diagrams and descriptions.

This file contains reports on the use of chutes in logging pulpwood. Includes diagrams and descriptions.

This file contains reports and diagrams of different machinery used in rivers.

This file contains reports on different flotation devices.

This file contains reports on proposed improvements to dams.

This file contains reports on the use and possible improvement of flumes.

This file contains a report titled "How to Conserve Boom Timber" written by the Canadian International Paper Company.

This file contains reports and diagrams regarding piers and holding grounds. These include proposed improvements and current problems with equipment.

This file contains reports on how to improve different logging camps. These include cutting costs, building cabins, and use of motor homes for logging use.

This file contains reports on different methods for measuring wood.

This file contains reports on the efficiency and management of logging crews. These reports include suggestions for improvements as well as descriptions of operations.

This file contain two reports. One titled "Economical Purchasing, Distribution & Storage of Supplies" from the Canadian International Paper Company, and the other titled "Servicing a Woodlands Operation" from the Abitibi Power & Paper Company, Limited.

This file contains reports on the growth of different types of trees. These include how to plant and cut down these trees to maintain the ecosystem. This also includes collections of research done on different trees and wood types.

This file contains cost reports and information on a project conducting by D.S Laidlaw.

This file contains Ward Leonard Electric Co. Relays and Relays by Guardian ElectricManufacturing Co.

This file contains four reports, each on a specific part of engineering from the Alexander Hamilton Institute in New York. They are titled, "How to Write an Engineering Report", "Preparing for the Profession of Industrial Engineer", "Management and Operating Problems of Public Service Corporations", and "Organization Charts."

This file contains reports on an investigation into a fire that occurred on November 25th 1948. This fire occurred in a building owned by the Port Arthur Shipping Company in Port Arthur, Ontario. This building was also in use by the Great Lakes Lumber and Shipping Co. Alongside the reports of the fire there are proposed repairs to be made to the building afterwards.

This file contains handwritten notes and diagrams by H.E Stafford regarding plans for a Aqualax PEdestal Type Fountain. This file also includes typed reports on the plans for this fountain and correspondence about costs.

This file contains reports on the standards set out by the American Institute of Electrical Engineers on different aspects of electrical engineering.

This file contains two catalogues from Carsen Instruments Limited. One is for drafting instruments and the other is for precision slide rules. There are also price lists for the products and a letter from Carsen Instruments Limited to H.E Stafford, an engineer in Port Arthur, Ontario about an enquiry into one of their products.

This file contains information on a sales conference in Mont Gabriel, Quebec. This includes the itinerary for each day and a list of participants. It also includes the Royal Trust Company Mortgage Corporation information memorandum for 1974

This file contains a notice of the annual meeting for shareholders in Chance Mining and Exploration Company Limited. It includes information on the companies finances and the topics for this meeting set to happen on June 26th 1975. This letter was sent out on May 28th 1975.

This file contains a new issue and secondary offering 2 million units each consisting of one $4.23 cumulative redeemable convertible voting preferred share of Bell Canada ($47.00 par value) and one warrant to purchase on common share of Northern Electric Co., Ltd. At $21.50 per share. The warrants are exercisable prior to December 1, 1979.

Report on power survey Northern Wood Preservers Ltd. Port Arthur, Ontario. June 8, 1948

This file contains a letter of deposit for the Montréal Trust, a bound text of Teleglobe Canada-InternationalTelex Tariff, and an offer to purchase common shares of Steep Rock Iron Mines Ltd. By Canadian Pacific Investments Ltd

This file contains invoices, letters, and data for different projects under Northern Wood Preservers Ltd.

This file contains a proposal by the Canadian Westinghouse Companies department of Public Works to H.E Stafford

This file contains letters between McGraw-Hill Book Company Inc. and H.E Stafford on corrections required to make on Staffords book Troubles of Electrical Equipment. There is additional information about the publishing history of the book as well.

This file contains tax information for H.E. Stafford including records of expenses and tax forms from the years 1945, 1946, and 1947

This file contains a collection of final examinations from the Lakehead Technical Institute on a wide variety of courses.

This file contains a collection of examinations from the Lakehead Technical Institute on a wide variety of subjects including English and Physics.

This file contains a collection of examinations from the Lakehead Technical Institute on a wide variety of subjects across disciplines.

This file contains a collection of final examinations from the Lakehead Technical Institute on a wide variety of courses.

This file contains a collection of final examinations from the Lakehead Technical Institute on a wide variety of courses.

This file contains a collection of final examinations from the Lakehead Technical Institute on a wide variety of courses.

This file contains a collection of final examinations from the Lakehead Technical Institute on a wide variety of courses.

This file contains a collection of examinations from the Lakehead Technical Institute on a wide variety of courses.

This file contains a collection of final examinations from the Lakehead Technical Institute on a wide variety of courses.

This file contains a collection of final examinations from the Lakehead Technical Institute on a wide variety of courses.

This file contains a collection of examinations from the Lakehead Technical Institute in courses pertaining to Math and Mining.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a collection of final examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a version of the final exam for Mining 1 and Chemistry 2.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a collection of examinations from the Lakehead Technical Institute in courses pertaining to arts and commerce.

This file contains a collection of examinations from the Lakehead Technical Institute in courses pertaining to biology.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses. Some annotations.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a collection of examinations form the University of Toronto. These exams are specifically from courses regarding forestry.

This file contains a collection of examinations from the Lakehead Technical Institute in a wide variety of courses.

This file contains a collection of graded assignments from the Alexander Hamilton Institute. These assignments were completed by named students from Port Arthur, Ontario but graded by the Alexander Hamilton Institute.