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    Throughout the controlling phase of a project, the Project Manager gathers progress information from the project team to reflect the overall progress of the project as well as to forecast the estimated time, work effort, and cost required to finish the project.


    Tintype dating a

    This fantastic bronze cannon was cast by Cyrus Alger & Co. This gun was designed for high mobility and could be carried over rough terrain by mules when taken apart.

    Some of the later war-date castings that were done specifically for the Union were definitely used by the Union unless of course they may have been captured somewhere during the war and put into Confederate service.

    One collodion process, the tintype, was in limited use for casual portraiture by some itinerant and amusement park photographers as late as the 1930s, and the wet plate collodion process was still in use in the printing industry in the 1960s for line and tone work (mostly printed material involving black type against a white background) since it was much cheaper than gelatin film in large volumes.One advantage it did possess over the silver daguerreotype was that it did not tarnish.The ambrotype photograph was made by coating a piece of glass with a silver solution and exposing this to the image.Collodion process, mostly synonymous with the "collodion wet plate process", requires the photographic material to be coated, sensitized, exposed and developed within the span of about fifteen minutes, necessitating a portable darkroom for use in the field.Collodion is normally used in its wet form, but can also be used in humid ("preserved") or dry form, at the cost of greatly increased exposure time.

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