| [CORRESPONDENCE FROM JOSEPH M. COLBY TO W. EARL HALL REGARDING CONGRATULATIONS ON THE WAY YOUR COVERED THE MUSIC MAN DAY AT MASON CITY] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO VOLLMER W. FRIES REGARDING INTEREST IN DEVELOPMENT] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO VLADIMIR H. PAVLECKA REGARDING TURBO MACHINES] [WITH ATTACHMENT] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO VITTORIO VALETTA REGARDING THANK YOU FOR SENDING COPY OF YOUR ANNUAL REPORT] [WITH ATTACHMENT] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO VICTORIA L. MELIKAN REGARDING THANKS FOR THE SEASONS GREETINGS] [WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO VICE ADMIRAL GEORGE C. DYER REGARDING MEMBERSHIP PROGRESS REPORT AS OF NOVEMBER 30, 1969] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO VARIOUS REGARDING WINSTON LEE REPORT] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO VARIOUS REGARDING TWO VOLUMES OF A MARKET ANALYSIS OF THE GAS AND PETROLEUM INDUSTRY] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO VARIOUS REGARDING READING OF METERS FROM THE DECEMBER 7TH ISSUE OF GAS AGE] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO VARIOUS REGARDING PHOTOGRAPHS OF SECTIONS OF THE PROTOTYPE OF THE NEW VOTING MACHINE DEVELOPED BY ARTHUR D. LITTLE] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO VARIOUS REGARDING ORDERING ADDITIONAL MOTORS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO VARIOUS REGARDING MEETING WITH REPRESENTATIVE][WITH ATTACHMENTS] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO VARIOUS REGARDING LAYOUT INDICATES REPUBLIC'S DESIRE FOR A HIGH PRESSURE TEST INSTALLATION] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO VARIOUS REGARDING AKINCI BAY] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO UNDETERMINED REGARDING VISIT TO RAUFOSS ARSENAL] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO UNDETERMINED REGARDING TWO ADVERTISEMENTS IN THE NEW YORK TIMES] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO UNDETERMINED REGARDING TECHNICAL CAPTAIN CORPORATION] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO UNDETERMINED REGARDING RESERVATIONS FOR MRS. COLBY] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO UNDETERMINED REGARDING METER & VALVE PERSONNEL] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO UNDETERMINED REGARDING MEMO] |
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