campaign. so we have another photograph that i want to share and this is from another source but this brings us to the peninsular campaign, mcclellan said peninsulacampaign. for those who can see it. this is a photograph reproduced by matthew brady society. for those of you who are interested in the photograph itself, this is a remarkable reproduction, 121 from the original glass plates. for the people who can see that, for the people who can see that at home you are actually going to see something you might not see used to in historical photographs. you might think of historical photographs as -- they are now because of age. they ate and the turn. at the time when i made they didn't look that way. when people had their picture made, you have much more of this beautiful dark. they look like a black-and-white photograph. plum or purple was the look. here we see the famous mortars at yorktown. you see palisade set up and put up by the engineers and by the mortar men who moved this into place. this brings us to the topic of another military engineer, george mcclellan. now, he did quite a job of engineering at yorktown, yet mcgruder bluffed him and g