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Present construction of high frequency tuned microphones.
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| Item type | Current library | Call number | Status | Date due | Barcode | |
|---|---|---|---|---|---|---|
Archive
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La bibliothèque de l'ESPCI Stockage externe | L134 (09) (Browse shelf(Opens below)) | Not for loan | L134 (09) |
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| L134 (07) Paul Langevin., Correspondance | L134 (07) Paul Langevin., Correspondance | L134 (08) Rochelle salt piezo crystal. | L134 (09) Present construction of high frequency tuned microphones. | L134 (10) High frequency directive submarine signaling :, apparatus and results. | L134 (11-13) Description of receiving and transmitting vaccum tubes in U.S. navy. | L134 (14-15) Behavior of Rochell salt crystals. |
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