Raymond Rogers and Michael Shaffer

1
Investigation of the Incandescent Light Bulb

• Presented by
• Raymond Rogers and Michael Shaffer
• Advised by Dr. J. Hoffman
• Special Thanks to Duane Miller
• Dr. R. Larivee
• Dr. F. Senese
• Dr. Mumper
• Dr. Soysal

2
Project Goals

• To Write a Brief Biography of Thomas Alva Edison
• To Measure Electrical Characteristics of Modern
  Incandescent Light Bulbs
• To Determine and Measure all Important Physical
  Characteristics of Light Bulbs
• To Attempt to Recreate the Original Carbon
  Filament Edison Light Bulb

http//antoine.frostburg.edu/phys/edison/
3
Thomas Alva Edison(1847-1931)

• Childhood
• Menlo Park
• Patents and Inventions
• The Golden Years

http//antoine.frostburg.edu/phys/edison/
4
Childhood Years

• Samuel Nancy Edison
• Home Life
• Education
• Employment

http//antoine.frostburg.edu/phys/edison/
5
Menlo Park

• The Invention Factory and the Muckers
• The Birth Place of the Practical Light Bulb

http//antoine.frostburg.edu/phys/edison/
6
Patents and Inventions

• In His Life, Edison Completed 1093 Patents
• Still Holds World Record for Most Patents

http//antoine.frostburg.edu/phys/edison/
7
The Golden Years

• Edison, the Workaholic
• Died - October 18, 1931 at the age of 84

http//antoine.frostburg.edu/phys/edison/
8
Analysis of Modern Light Bulbs

• Specifications of Apparatus
• Procedure
• Quantitative Analysis of Data

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9
Specifications of Apparatus/Supplies

• Variac power supply
• Multi-meters
• Light Bulb platform

• Light Bulbs
• Various Accessories

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10
Procedures

• Research / Inquiries
• Experiment Development
• Execution of Experiment

Example
http//antoine.frostburg.edu/phys/edison/
11
Quantitative Data Analysis

• Findings

Resistance Vs. Power
Characteristics of Manufactured Edison Bulb
Current Vs. Voltage 1
Current Vs. Voltage 2
Current Vs. Voltage 3
http//antoine.frostburg.edu/phys/edison/
12
Further Interest

• Curiosity in Tungsten Filaments
• Up Close and Personal

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13
The Edison Bulb

• Research and Development
• Carbon
• Experiments
• Conclusions

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14
Research and Development

• Personnel Consultation
• Reference
• Insight of Curiositythe Pickle

http//antoine.frostburg.edu/phys/edison/
15
Experiments

• The Creation and Testing of 78 Carbonized
  Filaments

http//antoine.frostburg.edu/phys/edison/
16
Explosions in the Lab
17
Results
18
Carbon
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19
Conclusion

• What Knowledge Have We Acquired by this
  Project?
• The Future of Lighting
• Where do we go from here?

http//antoine.frostburg.edu/phys/edison/
20
References

• Literary
• Beasley, Rex. Edison. Philadelphia Chilton
  Company, 1964.
• Miller, Francis T. Thomas . Edison.
  Philadelphia John C.
  
• Winston Company, 1931.
• Josephson, Matthew. Edison. USA London Eyre
  
• Spottiswoode Publishers, 1959.
• Beaty, Wayne H., and Donald G. Fink. Standard
  Handbook for
• Electrical Engineers, 13th ed. USA
  McGraw-Hill, 1993.
• Elenbaas, W. Light sources New York, Crane,
  Russak c1972

http//antoine.frostburg.edu/phys/edison/
21

• Internet
• http//www.leyada.jlm.k12.il/proj/edsntsla/hist1.
  htm
• http//www.minot.com/mps/edison/edison/edison.ht
  ml
• http//www.cesa10.k12.wi.us/Investigate-
• America/discoveries/meganc/edison.html
  
• http//www.users.fast.net/blc/xlhome4.htm
• http//www.ushistory.net/toc/electricity.html
• http//www.edisonian.com/p006bulbs.htm
• http//www2.lucidcafe.com/lucidcafe/library/96feb
  /edison.html
• http//www.sci-ed-ga.org/modules/materialscience/
  light/
• http//tlc.ai.org/edison.htm
• http//www.misty.com/people/don/bulb1.html

22

• Other
• Dr. Hoffman
• Dr. Larviee
• Dr. Mumper
• Donald L. Klipstein

23

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