Showing 1074 results

Photo depicts an aerial view of Ludlum Steel Co. (Tool Steel) in New York

Photo depicts a view of workers rolling billets in a steel plant

Photo depicts a view of the "Northland Echo" berched on the river bank; accompanying text reads: "Boats at "The Prairie" waiting to be put up for the winter"

Photo depicts a view of the mud road connecting Fort McMurray and Waterways; text accompanies photograph

Photo depicts a view of the soaking pits at the Minnesota Steel Company

Sketch of a Merchant Bar Mill or Guide Mill; with the various parts labelled

Diagram of a [furncace], with the following parts labelled: "Air Belt, Blower, and Outlet"

Photo depicts an interior view of an Iron/Steel Plant; several labourers at work

Portrait of Karl Clark

Photo depicts a distant view of workers on a tree-cleared hill site in Trinidad

Photo depcits a view of a cleared sandy field (or beach) in Trinidad; trees in background

Photo depicts a view of the interior of a lead refinery; long tables loaded with material is visible

Phioto depicts an exterior view of a refinery plant

Photo depicts a view of a train engine parked inside a wooden structure

Diagram illustrating [mining] process

Chart recording differential grading and floatation figures related to lead and zinc processing

Chart entitled: " % Lead and Zinc Recoveries and % Pyrr. Iron Elimination"

Graph illustrating iron distribution in feed

Graph detailing free and combined materials figures related to lead and zinc processing

Graph entitled "Work Units - Distribution in Various Meshes" related to lead and zinc processing

Photo depicts a view of a metal casting form and [connecting rod]

Photo depicts a view of a man in front of metallurgy casting and forging apparatus

Published photo of the iron laundersat the Inspiration Slime Plant

Photo depicts a view of [metallurgy casting equipment]

Photo depicts a view of a man casting metal; tongs are used to handle the hot metal

Copy of a published page showing a zipper and the magnified die-cast metal elements that comprise the fastener

Photo depicts a view of various metal plates and fasteners and bolts

Copy of a published page showing full size sections through welds in a one inch plate

Photo depicts Karl Clark as child in a bathing costume

Photo depicts Frances Clark Ruttan and Mrs. Karl Clark, leaving cabin.

Portrait of Mr. Archie D. MacGillivray, District Manger, Canadian Ingersoll-Rand Company

Portrait of Mr. W.C. Whittaker, Managin Director, Coal Operators Association of Western Canada

Portrait of Mr. Alex B. Jackson, President, Wilkinson Linatex Co. Ltd.

Photo depicts two workers preparing tar sands for paving outside of the Medical Building at the University of Alberta

Photo depicts a section of rural road to be paved with tar sands; advertising sign in foreground and farm buildings in background

Photo depicts two men ploughing a road with a four horse-drawn plough in preparation for paving the road

Photb depicts a view of a machine spreading asphalt for road paving

Graph showing concentrations of sodium hydorxide solution and hydrogen ion concentration (pH)

Table IX showing "results of laboratory separation tests on bituminous sand described in Table VI ..."

Aerial view of "C.M. and S., Goldfield, Saskatchewan"

Aerial view of Goldfield, Saskatchewan; an x is marked on the photo

Aerial view of Beaverlodge Bay, Saskatchewan

A view of the river and bank at Beaverlodge, Saskatchewan

Photo depicts a view of rough water and rocky shore at Sucker Bay

Photo shows the main shear zone at Algold Bay; two men identified as Lilge and Duffy are sitting nearby on rocks

Photo depicts a diamond drill at the Algold shear zone

Photo shows a diamond drill at the Algold shear zone

Photo depicts diamond drill holes at the Algold Mine shear zone

Photo depicts a view of sludge samples and diamond drill core in racks

Photo depicts a view of Imperial oil tanks on Racine Island, Yellowknife

Photo depicts a distant view of C.M.S. Camp at Yellowknife; buildings in background and trees and hills in foreground

Photo depicgts a view looking south of the Ryan mine shaft; [Nagus] mine in background

Photo depicts a view of the C.M.S. mine shaft at Moberly Lake

Photo depicts a distant view of rapids on Yellowknife River, hill and tree-lined shore in foreground

Photo depcits a view of the Viola Mine shaft; a man is in the background

Photo depicts a view of a chamber containing laboratory equipment

Photo depicts a view of several labourers digging pitch in Trinidad

Photo depicts a view of "Pitch Lake, Trinidad"; buildings in background

Photo depicts a view of an oil facility in Trinidad

Photo depicts a view of hot saws located in a large building filled with wooden structures

Published diagram of faulted anticlinal arch; explanatory text accompanies sketch

Photo depicts a printed endorsement for Silicon Molybdenum Steel drag bits entitled "No Compromise" printed over a background photo of an oil worker standing at the base of an oil derrick

Photo depicts a figure illustrating sidetracking junk in a drill hole

Photo depicts a drawing of a removable whipstock used in bore hole drilling

Photo depicts a background view of two hard-hatted workers assembling an oil drill with the following words displayed over top the photo: "...seamless casing assures-no leakers-low costs"

Photo is descibed with overlaying text as a "typical field view of a Smith casing job showing the ease and practicability of settling casing in lengths averagin 50 feet"

Photo depicts a view of activity at an oil well; vehicles, equipment and by-standers are in the photo fore-front, while an oil derrick and steam is in the photo background

Photo depicts a view of an oil exploration site with machiinery and equipment visible

Photo depicts illustrations of oil well treatments including jelly seal treatment, formation plug treatment, and a chart describing the results of a typical oil well treatment

Photo depicts a labelled illustraion of " a modern acidizing unit"; the unit is attached to a truck

Photo depicts a view of an oil exploration site with plate mill shears and other equipment visible over a large area

Photo depicts a view of the pouring of high phosphorus slog into receiving buckets

Photo depicts a view of large equipment being operated in a steel processing plant; three workers are visible

Photo depicts a view of a duplex process of pouring from the converter into a transfer ladle at the South Chicago Steel Plant

Photo depicts a view of bars in a straightener in a steel plant; plant workers are visible

Photo depicts a view at a steel processing plant described on a attached label as" Talbot Process - The Reaction [Pen coyd]

Photo depicts a view of workers in a steel plant; attached descriptive label reads: "Finishing sheet in sheet mill, Mansfield Sheet & Tin Plate"

Photo depicts a view of a piece of steel processing equipment; a 'danger' sign is posted above the machinery

Drawing of a steel casting house and casting holes

Photo depicts a view of workers employing a steel rolling mill practice; described on attached label as "Tool Mill Rolling Flats"

Photo depicts a view of steel rolling mill pracitce; attached label reads: "Rolling Mills - Sheet Mill Practice Y. St. & Tube Co. 1924"

Photo depicts a view of [Sidney] Ells' prospect hole on Saline Creek; [Karl Clark] standing at top of hole along creek cliff; text accompanies photograph

Photo depicts a view of workers rolling rounds for tool steel at the Ludlum Steel Company

Photo depicts a view of the interior of a steel plant with one worker and a large amount of machinery visible

Diagram of a pair of rolls for rolling rails made by Messrs. Akrill & Co. Ltd.; explanatory text describes parts and functions of rolls

Phoro depicts a view of a large number of men carrying bundles in an extensive enclosed space [early Wrought Iron and Steel Practice Establishment]

Photo depicts a view of a road surfacing experimental program where barrels of bitumen are being heated

Photo depicts a view of tar sands stockpiled on the University of Alberta campus outside the Power Plant; corner of Arts building and Rutherford House in background

Photo depicts a view of a work crew with equipment constructing a road/railway bed; on the bottom of slide is written "roasting yard. Coniston"

Photo depicts a view of a slag heap with logs lying at bottom of heap

Photo depicts a view of a slag pot riding on rails

Photo depicts a view of the interior of a rail car shed where refinery transport train cars load and unload fuel

Diagram of the metallurgical process

Photo depicts a view of an open hearth inside a refinery; three men inspecting the equipment operation

Chart recording differential grading and floatation figures related to lead and zinc processing

Graph illustrating lead distribution in feed

Graph illustrating zinc distribution in feed

Chart entitled: "Relative Year of Hard Facing Materials as Indicated by the Grindstone Test"

Sketch showing details and operation of the Vissac jig

Photo depicts a view of a man standing beside a piece of [metallurgy forging] equipment; bottles of solution are present