| CONTENTS: | |
| I. | Biographies |
| II. | Audio Categories |
| III. | Other Categories |
| IV. | Firsts |
| V. | Company Listing |
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By Country By Manufacturer |
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| VI. | Wall of Honor Friends of the Library |
| VII. | A Message To Manufacturers |
| VIII. | Ways YOU can help |
| IX. | Contact us! |
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AHL Firsts ©
FIRST RECORDING (view)
FIRST MANMADE AMPLIFICATION (view)
FIRST DYNAMIC SPEAKER (view)
FIRST USE OF A PUBLIC ADDRESS SYSTEM (view)
FIRST MOVIE SOUNDSTAGE
FIRST MICROPHONE USED BY A POPE (full view) (close up of mic) (close up of sign)
FIRST 2-SIDED RECORD, (view) (Copyright 2010 by Allen Koenigsberg. Used with permission. )
