Subjects

A

Accidents, fires, explosions (614)

Agriculture (491)

Anti-trust litigation (45)

Archaelogy (7)

Architecture (87)

Astronomy (112)

Atomic energy (2)

Automobiles and trucks (2270)

Aviation (392)

Awards, honors, clubs & societies

   Awards and honors (other) (46)

   Clubs and societies (198)

   General (1646)

B

Banking and bankers (305)

Biology (104)

C

Calculating machines

Carbon, coal, glass, ceramics (1281)

Celebrations (anniversaries, birthdays, holidays) (832)

Cellulose, resins, and related products (1074)

Cement (1408)

Cement houses and other concrete structures (519)

Cement products (106)

Censorship (75)

Chemicals, chemical products, and chemical processes (6305)

Chemistry (239)

City-urban (64)

Competition and market structure (2945)

Construction (556)

Consumer complaints (3)

Contract litigation (120)

Contracts and other legal concerns (6068)

Copyright (162)

Cosmology (17)

Crime and justice (79)

Crushers and rolls (1603)

D

Deaths and funerals (347)

E

Economics (34)

Edicraft products (7)

Edison, Thomas Alva

   Death and funeral (62)

   Friends and associates (1623)

   Health (1338)

   Myths (4)

   Name (484)

   Opinions and prejudices (2357)

   Personality and character (1188)

   Questionnaire (9)

   Quotations and aphorisms (24)

   Visitors (401)

   Will and estate (36)

Edison Effect and etheric force (173)

Edison-Miller family

   Family history and genealogy (6)

   Finances (5640)

   Finances (other) (27)

   General (9170)

   Travel (3262)

Education (1593)

Efficiency, scientific management, management theory (45)

Electric battery (7901)

Electric light and power

   Alternating current (413)

   Arc lighting (328) 

   Cables, feeders, and other exterior elements (814)

   Central stations (4674)

   Dynamos and generators (3991)

   Electrical distribution system (2064)

   Fluorescent lighting (17)

   General (5212)

   Incandescent lamp (5421)

   Isolated stations (679)

   Sockets, fuses, meters, and other interior elements (1552)

   Switching and fusing (50)

   Three-wire system (64)

Electric pen and mimeograph (1249)

Electric traction (1903)

Electricity and magnetism (844)

Electrocution (222)

Electromotograph (304)

Electroplating (493)

Energy and power (240)

Engineering (200)

Engines, boilers, prime movers (1969)

Environmental issues (128)

Escapement and governor mechanisms (65)

Evolution

Expositions, demonstrations, lectures (3538)

F

Financial operations (companies and organizations) (6077)

Foreign affairs (396)

G

Gardening and landscaping (49)

Gas, petroleum, and derivative products (422)

General economic and business conditions (376)

Geology and other earth sciences (170)

Government

   National government (U.S.) (1055)

   Politics and government (310)

   State and local government (502)

H

Health and medicine (2314)

Health and safety (458)

Heat and thermodynamics (88)

I

Immigration (10)

International business operations (7224)

Inventions and creativity (234)

K

Kinetoscope

   Home and professional Kinetoscope (333)

   Peephole Kinetoscope (457)

Kinetophone

   Kinetophone and other talking pictures (660)

L

Labor (5646)

Liberty Loans (36)

Light and optics (259)

Literature (118)

Litigation (1395)

Loans (1901)

M

Management (companies and organizations) (6052)

Manufacturing (2268)

Mathematics (77)

Mechanics (20)

Menlo Park reminiscences (1876-1881) (276)

Metals and minerals (4142)

Microphone and other acoustic devices (498)

Military (2354)

Miner's safety lamp (170)

Miscellaneous technologies (382)

Miscellaneous electrical technologies (1036)

Motion pictures

   Cameras (324)

   Equipment (108)

   Film technology (658)

   General (1361)

   Home and professional Kinetoscope (333)

   Kinetophone and other talking pictures (660)

   Peephole Kinetoscope (457)

   Performers (61)

   Projectors (143)

Motors (1255)

Music (810)

N

Natural disasters (29)

Newspapers, books, other publications (5889)

O

Ore briquettes and bricker machinery (683)

Ore concentrate (432)

Ore exploration and mining (2631)

Ore milling (non-iron ore) (405)

Ore milling and separation (3577)

Ore mills (116)

Ore processing and storage (after separation) (81)

P

Patent and legal counsel (834)

Patent application (2148)

Patent assignments, licenses, and royalties (3266)

Patent infringement (1266)

Patent interference (703)

Patents (2292)

Philanthropy, charity, fundraising (77)

Phonograph

   Cylinder phonograph (7763)

   Cylinder record and duplicating technology (1572)

   Cylinder recording & reproducing apparatus (425)

   Cylinder recordings (1070)

   Dictating machines (233)

   Disc phonograph (1886)

   Disc record and duplicating technology (2029)

   Disc recording & reproducing apparatus

   Disc recordings (1165)

   Equipment and accessories (483)

   General (395)

   Recordings (179)

   Recording artists (773)

   Talking doll (726)

Photographs and autographs (732)

Photography (558)

Physics (95)

Production difficulties and adjustments (1300)

Profits and losses (386)

Property (3302)

Pseudoscience and superstition (123)

Psychology (10)

Public relations and public opinion (133)

Purchases (3080)

R

Race, religion, ethnicity (154)

Radio (6)

Railroads and transportation (633)

Reforms (165)

Religion and spirituality (481)

Reminiscences

   Reminiscences (undated) (84)

   Reminiscences (1850-1869) (313)

   Reiminiscences (1870-1875) (83)

   Reminiscences (1876-1880) (276)

   Reminiscences (1881-1886) (72)

   Reminiscences (1887-death) (78)

Research and development (1614)

Rubber and goldenrod (198)

S

Salaries, wages, and commissions (1168)

Sales and service (8208)

Sand (89)

Sciences (12)

Scientific and other instruments (582)

Shipping and materials handling (2081)

Ships, yachts, and other vessels (883)

Social customs, norms, values (752)

Social sciences (17)

Sound and acoustics (841)

Sports, leisure, recreation (905)

Stock ticker, universal printer, and other printing telegraphs (211)

Stocks, bonds, and investments (5412)

Submarines and submarine warfare (950)

T

Tasimeter (116)

Taxes (494)

Technology-science relations (13)

Telegraphy

   Acoustic telegraphy (199)

   Automatic telegraphy (859)

   District and alarm telegraphs (domestic telegraph) (103)

   General (854)

   Multiple telegraphy (duplex, quadruplex) (999)

   Phonoplex and railroad telegraphy (977)

   Submarine cables (22)

Telephone (4324)

Testing and quality control (2845)

Theater (319)

Tools and machinery (1747)

Travel (510)

Typewriter (107)

V

Vacuum and glass bulb (583)

Visual arts (347)

Vote recorder (8)

W

Water power (77)

Wills and Estates (15)

Wireless and radio (377)

World War I (911)

World War II (11)

X

X-rays (361)