Their customers were businesses, they thought, who would send the wax recording cylinders back and forth in the first-ever voice mail.
2.
Storage of the recording cylinders in a basement of the Jefferson Building " is particularly dangerous because smoke and toxic fumes from fires that start in a basement can quickly progress up through the building, " the citation said.
How to say recording cylinder in Hindi and what is the meaning of recording cylinder in Hindi? recording cylinder Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
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