Browsing named entities in The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 5: Forts and Artillery. (ed. Francis Trevelyan Miller). You can also browse the collection for Henry L. Abbot or search for Henry L. Abbot in all documents.

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il from a charge of fourteen pounds of powder shifted the mortar less than two feet on the car, which moved a dozen feet on the track. Even the full charge of twenty pounds of powder could be used without damage to the axles of the car. This mortar, whose shell would crush and explode any ordinary field-magazine, terrorized the Confederate gunners, and succeeded in silencing their enfilading batteries on Chesterfield Heights. The activities of this great war machine were directed by Colonel H. L. Abbot, of the First Connecticut Heavy Artillery. Other photographs of it, with officers and men, are shown on pages 186 and 187, Volume III. Camp of heavy artillery on the way to Petersburg: the first Massachusetts and second New York at Belle Plain, 1864 On May 16, 1864, the date of this sweeping photograph, the movement against Petersburg had begun. The heavy guns which these two regiments were about to serve before Petersburg were sent by steamer and rail, so no ordnance is visi
burst. It was a matter of indifference as to how large or how small the pieces of the case became. In the use of this new form of shell for the 6-, 12-, 24-, and 32-pounders, the cavities were completely filled with powder. Musket or rifle powder always gave the best results with the 6-pounder, and fine-grained cannon powder was suitable for the others. The Federal artillery paid the Confederate service the compliment of appreciating the improvements in shells, and in 1867, General Henry L. Abbot, of the Corps of Engineers, in a report on siege-ordnance used during the war, stated that there were two improvements in mortar-shells introduced by the Confederates which, in his judgment, should be adopted into the United States service. He did not state who was responsible for the innovations in the Confederate service, but the reference was to the shells perfected by Colonel Mallet and to the providing of certain mortar-shells with ears, to permit greater ease of handling. M