[DOC] [TLE] Alexander Graham Bell - Biography, Facts and Pictures [PAR] Alexander Graham Bell's Early Life, Early Inventions, and Education ... Bell's 
parents were terrified that Alexander, whose health was fragile, would ... and 
Bell's father had developed a method of teaching deaf people to speak, which 
Bell taught. .... the bel, more usually seen as the smaller unit, the decibel, was 
named after... [DOC] [TLE] decibel | unit of measurement | Britannica.com [PAR] One decibel (0.1 bel) equals 10 times the common logarithm of the power ... 
inventor, scientist, and teacher of the deaf whose foremost accomplishments 
were... [DOC] [TLE] Alexander Graham Bell - Phone and other inventions - Carnet de Vol [PAR] His teaching for the deaf. Telephone and other inventions. His years for kites ... 
the intensity of the current in the wire in a way equivalent to the sound waves of ... 
It's in March 10, 1876, in Boston, the apparatus produced by Alexander ... the 
measuring unit of the sound power, adopted in 1927, the name of decibel will 
carry... [DOC] [TLE] Phonograph - Wikipedia [PAR] The phonograph is a device invented in 1877 for the mechanical recording and 
reproduction of ... In early acoustic phonographs, the stylus vibrated a diaphragm 
which ... Later improvements through the years included modifications to the 
turntable and .... Several inventors devised machines to record sound prior to 
Thomas... [DOC] [TLE] History of Magnetism and Electricity [PAR] They did not realize that an equal amount of opposite electricity remained on ... 
Leyden Jar is one of the earliest and simplest forms of electric capacitor, .... This 
unit of electrical resistance - the ohm - was named after him. ... He felt failures 
also teach. .... Edison's many inventions included the phonograph and an 
improved... [DOC] [TLE] OSHA Technical Manual (OTM) | Section III: Chapter 5 - Noise [PAR] Sound Levels of Equipment, Occupations, and Activities; Noise Control .... 
between 3,000 Hz and 4,000 Hz are the earliest to be affected by exposure to 
noise. ... Noise is measured in units of sound pressure called decibels (dB), 
named after ... at sound pressures of about 10 million times that of the threshold 
of hearing. [DOC] [TLE] PDF of the Teacher's Guide - NIH Office of Science Education [PAR] Note from the NIDCD for the Teacher Who Has a Student Who Is Deaf ..... nology 
influences the quality of life and the ways people act and interact. Standard G: 
...... one-tenth of a bel, a unit named after the inven ... Every 10-dB increase in 
sound ...... It helps people whose hearing loss is caused by problems in the inner 
ear. [DOC] [TLE] Top 10 Loudest Noises - Listverse [PAR] Nov 30, 2007 ... Any sound above 85 dB can cause hearing loss, and the loss is related both .... 
What about the deafening sound of Britney Spears' life and career imploding? .... 
I also teach and always make sure the students I am teaching have ear ..... of 
magnitude of 2.0 is equivalent to a factor of 1000 ( = (10^2.0)^(3 / 2) )... [DOC] [TLE] Historical Profiles of Scientists and Engineers [PAR] Biographies of Scientific Personalities related to Electrical Engineering. ... The 
Unit of electric current, the ampere, A, a Base Unit is named in his honour. ... 
these conductors a force equal to 2  10-7 newton per meter of length [1948]. ... 
American inventor and teacher of the deaf, who invented the telephone was born 
in... [DOC] [TLE] Talking Wires: The Development of the Telephone [PAR] Jul 26, 1996 ... A device that would generate a strong electrical equivalent of the voice ... This 
generator was included with the battery in the telephone box ..... Yet these two 
figures, whose names dominated the public mind in ... Edison was deaf, and Bell 
devoted much of his life to that affliction. .... The line loss was 60 dB. [DOC] [TLE] Wikipedia Terms - Princeton University [PAR] include  make  average ... unit  small ..... equivalent  ethnic .... teaching  
similarly ..... 10th .... autobiography ... inventor ...... deaf  pea ...... names

Question: The unit equal to 10 decibels is named for this inventor whose early career included teaching the deaf
Answer: Alexander Graham Bell