Intended use of the System of Signaling for Steam Whistles [Recto]National Park ServiceExplanation of the intended use of the System of Signaling for Steam Whistles. Numbers are transmitted by combinations of short & long whistle blares, and the numbers stand for orders.
Intended use of the System of Signaling for Steam Whistles [Verso]National Park ServiceExplanation of the intended use of the System of Signaling for Steam Whistles. Numbers are transmitted by combinations of short & long whistle blares, and the numbers stand for orders.
Interesting From RichmondFort Sumter and Fort Moultrie National Historical ParkArticle about a new military camp in Richmond and the state of the city of Norfolk.
Iron embrasure casing, drawings and descriptionNational Park ServiceDescription and drawings by Lorigan representing an appliance or casing to Embrasures. Lorigan writes that during the Siege of Forts Sumter, Wagner and Gregg on Morris Island SC, experience had shown that hides and similar coverings were insufficient to protect the work, and a Boiler plate casing was first suggested and tried with complete success, by Major T. B. Brooks.
Iron embrasure casing, drawings and descriptionNational Park ServiceDescription and drawings by Lorigan representing an appliance or casing to Embrasures. Lorigan writes that during the Siege of Forts Sumter, Wagner and Gregg on Morris Island SC, experience had shown that hides and similar coverings were insufficient to protect the work, and a Boiler plate casing was first suggested and tried with complete success, by Major T. B. Brooks.
Iron embrasure casing, drawings and descriptionNational Park ServiceDescription and drawings by Lorigan representing an appliance or casing to Embrasures. Lorigan writes that during the Siege of Forts Sumter, Wagner and Gregg on Morris Island SC, experience had shown that hides and similar coverings were insufficient to protect the work, and a Boiler plate casing was first suggested and tried with complete success, by Major T. B. Brooks.
Iron embrasure casing, drawings and descriptionNational Park ServiceDescription and drawings by Lorigan representing an appliance or casing to Embrasures. Lorigan writes that during the Siege of Forts Sumter, Wagner and Gregg on Morris Island SC, experience had shown that hides and similar coverings were insufficient to protect the work, and a Boiler plate casing was first suggested and tried with complete success, by Major T. B. Brooks.