Transistor Radio"Needed one or more non rechargable "so-called "A" batteries just to heat the tube filaments and a large 45- to 90-volt "B" battery to power the signal circuits."
The Radio it self weighed half a pound or less. http://en.wikipedia.org/wiki/Transistor_radio
Some of this information was copied and pasted!
By Ben and Alec
The First Portable CasseteFirst their was the casset player.
Created in 1979.
It cost $288 US when it was relesed.
First Relesed in Japan.
Read More at
Portable Music player *SONY DISKMAN*In 1984 Sony was the first to market a portable player for the new music medium, the Discman. <a href='http://go.galegroup.com/ps/retrieve.do?sgHitCountType=None&sort=RELEVANCE&inPS=true&prodId=GVRL&userGroupName=per_k12&tabID=T003&searchId=R1&resultListType=RESULT_LIST&contentSegment=&searchType=BasicSearchForm¤tPosition=1&contentSet=GALE|CX2830101750&&docId=GALE|CX2830101750&docType=GALE' > SOURCE HERE............</a>
IPOD CLASSICThe first Ipod was relesed
with the ipod Classic...
It had 5 to 10 gigs of space
This has got 6 versions known as generations
Ipod MiniThe ipod Mini was relesed and holds only 4gb
Their have been Many generations and was discontinued in September 7, 2005
Ipod ShuffleApple Relesed the Ipod Shuffle in 11 Janurary 2005 this had no screen and could only hold up to 1 gb of space
The ipod nano was relesed Available in Black or white and can have up to 1 , 2 ,4 gbs of spacehttp://en.wikipedia.org/wiki/IPod_nano
<a href='http://belmontint.schoolsonline.co.nz/index.php?control=database_file&fmc=image_file_manager_config&record_id=belmontint:379261' >Download Timeline</a
Ipod TouchThe ipod Touch first Gen was Relesed with Internet and A touch Screen