Energy & Power

The Museum's collections on energy and power illuminate the role of fire, steam, wind, water, electricity, and the atom in the nation's history. The artifacts include wood-burning stoves, water turbines, and windmills, as well as steam, gas, and diesel engines. Oil-exploration and coal-mining equipment form part of these collections, along with a computer that controlled a power plant and even bubble chambers—a tool of physicists to study protons, electrons, and other charged particles.
A special strength of the collections lies in objects related to the history of electrical power, including generators, batteries, cables, transformers, and early photovoltaic cells. A group of Thomas Edison's earliest light bulbs are a precious treasure. Hundreds of other objects represent the innumerable uses of electricity, from streetlights and railway signals to microwave ovens and satellite equipment.


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Lewis Latimer Patent Drawing
- Description
- Electricity pioneer Lewis Latimer drew this component of an arc lamp, an early type of electric light, for the U.S. Electric Lighting Company in 1880.
- The son of escaped slaves and a Civil War veteran at age sixteen, Latimer trained himself as a draftsman. His technical and artistic skills earned him jobs with Alexander Graham Bell and Thomas Edison, among others. An inventor in his own right, Latimer received numerous patents and was a renowned industry expert on incandescent lighting.
- Location
- Currently not on view
- Date made
- 1880-07-25
- maker
- Latimer, Lewis H.
- ID Number
- 1983.0458.21
- accession number
- 1983.0458
- catalog number
- 1983.0458.21
- Data Source
- National Museum of American History
-
Plate 68. Charles City Court-House, Virginia
- Description
- Text and photograph from Gardner's Photographic Sketchbook of the War, Vol. II. Negative by Timothy H. O'Sullivan, text and positive by Alexander Gardner.
- This place is the county seat of Charles City County, about twenty-five miles southeast from Richmond, and is a fair specimen of many Virginia Court-Houses. This neighborhood was the scene of a number of severe cavalry fights during the war, the Court-House, in 1862, being only three miles from the intrenched camp of Gen. McClellan, whose army marched past the village in its retreat from before Richmond to Fortress Monroe. Gen. Meade's army, in 1864, again occupied this section, and passed over its roads from Coal Harbor to Petersburg, when the building was sacked by the troops, and many of the records were destroyed. There were but two or three dwellings and a church composing the village, and a stranger might pass through the place without dreaming that it possessed a name. Its history dates from the early settlement of Virginia, and the cemeteries round about it contain the names of those who passed away one hundred years ago.
- The return of peace has here failed to quicken the people, and everything is rapidly sinking to decay. The aristocratic families, impoverished by the war, and deprived of the labor of their slaves, barely manage to live, and the whole country along the James is rapidly becoming overgrown with scrub timber and chaparral.
- Location
- Currently not on view
- date made
- 1864-06
- maker
- Gardner, Alexander
- ID Number
- 1986.0711.0283.18
- accession number
- 1986.0711
- catalog number
- 1986.0711.0283.18
- Data Source
- National Museum of American History
-
Plate 99. McLean's House, Appomattox Court-House, Where Grant and Lee signed the Capitulation
- Description
- Text and photograph from Gardner's Photographic Sketchbook of the War, Vol. II. Negative by Timothy H. O'Sullivan, text and positive by Alexander Gardner.
- On the evening of the 7th of April, 1865, General Grant first forwarded, under a flag of truce, a letter to Gen. Lee, demanding the surrender of the Army of Northern Virginia, in order to avoid the further effusion of blood. That army had re-crossed the Appomattox river at High Bridge and Farmville, closely pressed by Sheridan's cavalry and the Armies of the Potomac and James. On the 8th, some correspondence passed between the two Commanding Generals, the one army retreating towards Lynchburg, followed by the Second and Sixth Corps, whilst the cavalry and the Fifth and Twenty-Fourth Corps made forced marches in order to pass around and gain the front of the enemy. About noon on the 9th, the head of the Second Corps, when within three miles of Appomattox Court-House, came up with the rear guard of the enemy; and at the same time, Gen. Lee, in person, appeared with a flag of truce, and, by letter, asked for a suspension of hostilities, pending negotiations for a surrender. About four o'clock in the afternoon of that eventful Sunday, the glad tidings was announced throughout the Union Armies that the Army of Northern Virginia had surrendered. The excitement among our troops was unparalleled, officers and men uniting in the most extravagant demonstrations of joy. The photograph represents the house in which the terms of capitulation between Generals Grant and Lee were signed. The apple tree (about half a mile from the Court-House) under which they first met, has been entirely carried away in pieces, as mementoes, not even the roots remaining.
- It is a singular fact that the owner of this house, Mr. McLean, was living on the first Bull Run battle-field at the time of that engagement, and afterwards removed to this place for the purpose of being secure from the visitation of an army.
- Location
- Currently not on view
- date made
- 1865-04
- maker
- Gardner, Alexander
- ID Number
- 1986.0711.0283.49
- accession number
- 1986.0711
- catalog number
- 1986.0711.0283.49
- Data Source
- National Museum of American History
-
Plate 90. Old Capitol Prison, Washington
- Description
- Text and photograph from Gardner's Photographic Sketchbook of the War, Vol. II. Negative by William R. Pywell, text and positive by Alexander Gardner.
- The Old Capitol Prison, previous to the war, was a dingy, crumbling structure, with rambling passages, and with quaint rooms where one least expected to find them. The staircases ran up about the building with a sort of uncertainty that bewildered the visitor, and dust and cob-webs hung upon its walls so thick, that one walked cautiously along its floors, lest a heavy tread should bring down the accumulated filth of years upon his head. Congress ordered its erection during the war of 1812, for its own use until the Capitol, burned by the British, could be rebuilt; and after the completion of the latter, this establishment was used as a boarding house for members. The lower part of the city becoming the centre of business, the Old Capitol was abandoned by its lodgers, and rapidly sunk to decay; some of the lower class occasionally renting apartments, but never remaining any length of time. At the commencement of the war, its only tenant was an humble German, who managed to subsist himself and family, as a cobbler, and who was not at all displeased at the sudden termination of his lease by the military authorities. Iron bars were placed in the windows, the doors of the several apartments were strengthened, and the building soon became notorious as a prison for military offenders, prisoners of state and captured rebels. Many prominent Confederate Generals have been confined in it, and scores of citizens engaged in disloyal practices, suddenly found their plans frustrated, and themselves on their way to its cells before they could give a word of warning to associates. Captain Wirz, the Andersonville prison-keeper, was imprisoned here, and expiated his crimes upon the gallows in its yard, as had numbers of offenders before him.
- When occupied by prisoners, its windows were generally crowded by its inmates, and passers by were not allowed to stop at any time on the opposite side of the street, lest they should attempt to communicate, by signs, with those within the prison. The regulations required that all correspondence and reading matter, as well as food for the prisoners should be closely scrutinized, so as to prevent any improper communication or aid from the outside. Among the plans for conveying money and messages from external sources, was that of secreting in packages of smoking tobacco the object to be transmitted. This, however, was early detected, and afterwards was never attempted with success. Underscoring words in books, at long intervals, so that when taken together they would embody a sentence, was not unusual with the prisoners when about to return to their friends volumes that had been loaned them for perusal. The latter occasioned considerable labor to the officers of the prison, every book going to or from the inmates being carefully examined, not only for messages of this kind, but for communications that might be concealed between leaves pasted together. The prisoners attempted to tunnel out several times, but never with success. A few escaped from the windows, but most of them who undertook it were discovered and recaptured. One young man fixed a spring-board in an upper window, and attempted to jump out into the street, but broke his leg, and by his signal failure discouraged any other efforts to escape in this manner. A strong guard was always kept in the passages of the prison as well as on the streets surrounding it, and during the last two years of the war, none ever succeeded in eluding the vigilance of their keepers.
- Location
- Currently not on view
- maker
- Gardner, Alexander
- ID Number
- 1986.0711.0283.40
- accession number
- 1986.0711
- catalog number
- 1986.0711.0283.40
- Data Source
- National Museum of American History
-
Plate 3. Fairfax Court House
- Description
- Text and photograph from Gardner's Photographic Sketchbook of the War, Vol. II. Negative by Timothy H. O'Sullivan, text and positive by Alexander Gardner.
- The Village of Fairfax Court-House, Virginia, eighteen miles from Washington, was, previous to the rebellion, one of the loveliest of the State. Numbering about three thousand inhabitants, with three large hotels, two fine churches, and a flourishing female institute, the place had become of considerable importance at the time of secession, from which it was the first to suffer. Each of the many commands which occupied the town during the war added to the work of devastation commenced in 1861, and long before peace was announced its comeliness had departed. Its best houses were burned, the churches were converted into hospitals, and then into stables, while the venerable Court-House was stripped of its wood-work, leaving only the naked walls and roof. In 1864, loop-holes were cut through the sides of the building for riflemen and troops stationed in it to repel any attack that might be made by guerillas who constantly hovered in the vicinity. The records kept here were of great historical interest, dating from the early settlement of Virginia, and including many documents in the writing of General Washington. A great number of these were carried off by curiosity hunters in the sacking which took place in September, 1862, and a still greater number were ruthlessly destroyed by the soldiery. Generals McClellan and Hooker each temporarily had their headquarters here when in command of the Army of the Potomac, as did also the lamented Sumner, and other officers of equal rank. The battle-field of Bull Run is ten miles distant, and Chantilly, where the gallant Kearney and Stephens fell, but five miles away.
- The village is now, however, rapidly recovering from its misfortunes. Shattered houses have been repaired, families are returning to their homes, the Court-House is being put in order for the occupation of the courts, and, under the influence of Northern enterprise, the town promises soon to wear even more beauty than it ever knew before.
- Location
- Currently not on view
- date made
- 1863-06
- maker
- Gardner, Alexander
- ID Number
- 1986.0711.0334.03
- accession number
- 1986.0711
- catalog number
- 1986.0711.0334.03
- Data Source
- National Museum of American History
-
Plate 89. Libby Prison, Richmond
- Description
- Text and photograph from Gardner's Photographic Sketchbook of the War, Vol. II. Negative by Alexander Gardner, text and positive by Alexander Gardner.
- The Old Tobacco Warehouse is too well known to need much description. This view was taken after the time was passed when Union officers and men looked wearily through the tiara at the monotonous flow of the James, and wondered how much longer they could endure without going mad; or peeping out into the street at the risk of being fired at by some sentry, watched the relief on its rounds, or the arrival of more prisoners to swell the already overcrowded numbers in durance. The Union flag floats upon the building, and the tables are turned. Rebel prisoners occupy the floors, so lately filled by Northern soldiers, with permission to kick up their heels to their hearts' content. There is a little crowd around the door at the corner, formed of destitute persona seeking relief. It was in this office the Union prisoners were received by the prison-keepers, and coolly dispoiled of any little trifles left about their persona, by their captors. The lower windows on the end of the building, light some of the small cells in the foundation, where officers were placed for punishment. It was here that Captains Flynn and Sawyer were confined, pending the retaliatory execution, to which they were condemned by the rebel authorities, and fortunately prevented by the prompt measures adopted by our Government. When Turner – brother of the notorious Dick – gave himself up, to escape vengeance at the hands of the soldiers, he was deposited in one of these places, that he might have a chance to appreciate the misery of some of those he had so ruthlessly confined there. This view of the Libby is taken from Castle Thunder, a warehouse of the same order of architecture.
- Location
- Currently not on view
- date made
- 1865-04
- maker
- Gardner, Alexander
- ID Number
- 1986.0711.0283.39
- accession number
- 1986.0711
- catalog number
- 1986.0711.0283.39
- Data Source
- National Museum of American History
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