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Potomac Electric Power Co. air conditioning and lighting. Mr. Hamm's office

Potomac Electric Power Co. electric appliances. Range for semaphore

Potomac Electric Power Co. miscellaneous. PEPCO map

Potomac Electric Power Co. electric appliances. Preparing dish of peas

Potomac Electric Power Co. electric appliances. Bases of lamps

Potomac Electric Power Co. Building. Meter reader cap

Potomac Electric Power Co. Plaster models of electrical history at Potomac Electric Power Co. VII

Potomac Electric Power Co. Buzzard Point plant. Buzzard Point plant from across river II

Potomac Electric Power Co. Benning plant. Construction for frequency changer at Benning plant I

Potomac Electric Power Co. Buzzard Point plant. Closeups of turbine made for G.E. calendar II

Potomac Electric Power Co. Benning plant. Construction for frequency changer at Benning plant III

Potomac Electric Power Co. old electric appliances. Poster with images of building fronts and caption Can you plead not guilty?

Potomac Electric Power Co. electric appliances. Wall mounted lamp with hand

Potomac Electric Power Co. service station, 10th and Florida. Construction of foundation for new service station building II

Potomac Electric Power Co. electric appliances. Vegetables on scale, 19 lbs.

Potomac Electric Power Co. air conditioning and lighting. Wilson office

Potomac Electric Power Co. Building. Model home reception hall of Potomac Electric Power Co.

Potomac Electric Power Co. electric appliances. Wall mounted lamp

Potomac Electric Power Co. Building. Women's club room in Potomac Electric Power Co. Building II

Potomac Electric Power Co. Plaster models of electrical history at Potomac Electric Power Co. XII

Potomac Electric Power Co. Plaster models of electrical history at Potomac Electric Power Co. II

Potomac Electric Power Co. Plaster models of electrical history at Potomac Electric Power Co. VIII

Potomac Electric Power Co. Plaster models of electrical history at Potomac Electric Power Co. IX

Potomac Electric Power Co. miscellaneous. Clam shell digger

Potomac Electric Power Co. old electric appliances. Six small pictures of old electric appliances, with caption: 1500 prospects

Potomac Electric Power Co. electric appliances. Test tubes showing cooking losses at different cooking temperatures I

Potomac Electric Power Co. electric appliances. Model cleaning kettle II

Potomac Electric Power Co. electric appliances. Electric range II

Potomac Electric Power Co. electric appliances. Boiling water on gas range

Potomac Electric Power Co. electric appliances. Smiling model baking bread I

Potomac Electric Power Co. electric appliances. Electric range on tall legs

Potomac Electric Power Co. electric appliances. Model cleaning kettle I

Potomac Electric Power Co. electric appliances. Dr. Hands with card of balanced food

Potomac Electric Power Co. air conditioning and lighting. Emile's beauty shop

Potomac Electric Power Co. Building. Model home bedroom of Potomac Electric Power Co.

Potomac Electric Power Co. air conditioning and lighting. Hecht Department Store, men's shop

Potomac Electric Power Co. Building. Model home living room of Potomac Electric Power Co. I

Potomac Electric Power Co. Buzzard Point plant. Closeups of turbine made for G.E. calendar IV

Potomac Electric Power Co. View of PEPCO power plant II

Potomac Electric Power Co. electric appliances. Hands cutting bills

Potomac Electric Power Co. air conditioning and lighting. Sibley Hospital, operating room II

Potomac Electric Power Co. air conditioning and lighting. Hardware store in Anacostia

Potomac Electric Power Co. air conditioning and lighting. Hill residence, hall

Potomac Electric Power Co. Plaster models of electrical history at Potomac Electric Power Co. XVII

Potomac Electric Power Co. air conditioning and lighting. Marshall apartment, 2800 Ontario Road

Potomac Electric Power Co. Benning plant. Distant front view of Benning plant

Potomac Electric Power Co. Buzzard Point plant. Closeups of turbine made for G.E. calendar I

Potomac Electric Power Co. Benning plant. Sun rays in Benning plant

Potomac Electric Power Co. Building. Meter reader group

Potomac Electric Power Co. Building. Model home living room of Potomac Electric Power Co. II

Potomac Electric Power Co. Fresco work in Potomac Electric Power Co. Building

Potomac Electric Power Co. miscellaneous. Ditch digging machine

Potomac Electric Power Co. Plaster models of electrical history at Potomac Electric Power Co. III

Potomac Electric Power Co. air conditioning and lighting. Drugstore in 3200 block 14th St. N.W.

Potomac Electric Power Co. Building. Model home dining room of Potomac Electric Power Co.

Potomac Electric Power Co. air conditioning and lighting. Sibley Hospital, operating room I

Potomac Electric Power Co. air conditioning and lighting. Hotel room, Hotel Carlton

Potomac Electric Power Co. Plaster models of electrical history at Potomac Electric Power Co. X

Potomac Electric Power Co. Plaster models of electrical history at Potomac Electric Power Co. XIII

Potomac Electric Power Co. Building. Model home window display, G.E. refrigerator I

Potomac Electric Power Co. service station, 10th and Florida. Construction of foundation for new service station building III

Potomac Electric Power Co. Building. Model home kitchen of Potomac Electric Power Co.

Potomac Electric Power Co. electric appliances. Electric range II

Potomac Electric Power Co. Glee club of Potomac Electric Power Co.

Potomac Electric Power Co. Plaster models of electrical history at Potomac Electric Power Co. I

Potomac Electric Power Co. Building. Model home window display, G.E. refrigerator II

Potomac Electric Power Co. electric appliances. Boy in front of stove

Potomac Electric Power Co. service station building, 10th and Florida Ave. Service station building

Potomac Electric Power Co. electric appliances. Vegetables on scale, 10 lbs.

Potomac Electric Power Co. electric appliances. Electrical appliances (five)

Potomac Electric Power Co. old electric appliances. Black full automatic range

Potomac Electric Power Co. Building. Women's club room in Potomac Electric Power Co. Building I

Potomac Electric Power Co. miscellaneous. Copy of portrait of J. Warner

Potomac Electric Power Co. Building. Model home entry front of Potomac Electric Power Co.

Potomac Electric Power Co. electric appliances. Norma at electric range I

Potomac Electric Power Co. Benning plant. Interior of Benning plant III

Potomac Electric Power Co. View of PEPCO power plant I

Potomac Electric Power Co. Benning plant. Interior of Benning plant V

Washington Gas Light Co. Exterior of Washington Gas Light Co.

Potomac Electric Power Co. substations. Brightwood station car barn

Potomac Electric Power Co. Benning plant. Damage of machine III

Potomac Electric Power Co. Benning plant. Rear view of Potomac Electric Power Co. Benning plant

Potomac Electric Power Co. substations. Substation repair work

Potomac Electric Power Co. Building. Exterior of Potomac Electric Power Co. at night I

Potomac Electric Power Co. air conditioning and lighting. Model Shop II

Washington Gas Light Co. Display for electric competition

Potomac Electric Power Co. Building. Front entrance of Potomac Electric Power Co. at night II

Potomac Electric Power Co. apartments and kitchens. Prize winners of a General Electric range I

Potomac Electric Power Co. Building. Potomac Electric Power Co. store interior VI

Potomac Electric Power Co. I St. substation by night I

Potomac Electric Power Co. Building. Night exterior of Potomac Electric Power Co. with Christmas decorations I

Potomac Electric Power Co. electric appliances. Mixers on display in PEPCO window

Potomac Electric Power Co. miscellaneous. Electric carpenter tools II

Potomac Electric Power Co. apartments and kitchens. Munson Hall Apartments I

Potomac Electric Power Co. Building. Control board on 9th floor of Potomac Electric Power Co. II

Potomac Electric Power Co. apartments and kitchens. 4520 Dexter St., N.W. kitchen and interiors III

Potomac Electric Power Co. miscellaneous. Copy negative of old PEPCO pictures VI

Potomac Electric Power Co. apartments and kitchens. Kitchens in an apartment III

Potomac Electric Power Co. air conditioning and lighting. Del Rio restaurant II

Potomac Electric Power Co. miscellaneous. PEPCO chart XVII