A SKETCH OF THE FIRST DAY OF EXPERIMENTS IN THE SOLENT, 1897. A SKETCH OF THE SECOND DAY OF EXPERIMENTS IN THE SOLENT, 1897. AFTER THE STORM AT POLDHU ANNOUNCEMENT OF EMI- MARCONI MERGER ARTIST'S DRAWING OF WEDDING OF MARCONI AND BEATRICE BBC ANNOUNCEMENT: COMMENCEMENT OF A REGULAR TELEVISION SERVICE BBC ANNOUNCEMENT: EXPERIMENTAL TELEVISION PROGRAMMES FOR RADIOLYMPIA (1) BBC ANNOUNCEMENT: EXPERIMENTAL TELEVISION PROGRAMMES FOR RADIOLYMPIA (2) BBC ANNOUNCEMENT: EXPERIMENTAL TELEVISION PROGRAMMES FOR RADIOLYMPIA (3) BBC ANNOUNCEMENT: EXPERIMENTAL TELEVISION PROGRAMMES FOR THE WEEK BBC ANNOUNCEMENT: FIRST OUTSIDE BROADCAST BBC ANNOUNCEMENT: PRESS RELEASE REGARDING THE INAUGURATION OF HIGH-DEFINITION TELEVISION BROADCASTING SERVICE BBC ANNOUNCEMENT: TELEVISION FROM LONDON THEATRES BOOKLET FOR V2 VALVE RADIO BOOKLET: OPENING OF NEW STREET WORKS BOOKLET: SHORT WAVE BEAM SYSTEM BRISTOL CHANNEL EXPERIMENTS: TAPE MESSAGES BROADCAST REGARDING DEATH OF MARCONI CABLEGRAM FROM CANADIAN MINISTER OF FINANCE CAMERA TO BROADCAST DIAGRAM CAPTAIN ROUND'S NOTES ON TELEPHONY EXPERIMENTS CARTOON: MARCONI WITH NEPTUNE 'CESSATION OF WRITTLE WIRELESS CONCERTS' CHART SHOWING MARCONI INTERNATIONAL BEAM STATIONS CIRCUIT DIAGRAM FOR V2 VALVE RADIO (1) CIRCUIT DIAGRAM FOR V2 VALVE RADIO (2) COHERER RECEIVER: EARLY DRAUGHTMAN'S PLAN CONGRATULATIONS FROM ALFONSO CONGRATULATIONS FROM SOLARI CONSTRUCTION AT POLDHU CORRESPONDENCE REGARDING CLIFDEN DALSTON FACTORY: COIL DEPARTMENT DALSTON FACTORY: MACHINE SHOP DESCRIPTION OF INTERIOR OF ALEXANDRA PALACE DRAFT SPECIFICATIONS FOR PATENT 7777/00 DRAFT SPEECH: BROADCAST TO UNITED STATES OF AMERICA EXPERIMENTS AT ROYAL NEEDLES HOTEL: MORSE TAPES FREEHOLD FOR DALSTON FACTORY FUNERAL OF MARCONI H CUTHBERT HALL ISLE OF WIGHT TESTS TO LIZARD KEMP'S DIARY: BRISTOL CHANNEL EXPERIMENTS KEMP'S DIARY: DRAWINGS OF BRISTOL CHANNEL KEMP'S DIARY: EAST GOODWIN LIGHTSHIP KEMP'S DIARY: EXPERIMENTS AT ROYAL NEEDLES HOTEL KEMP'S DIARY: FIRST CROSS CHANNEL MESSAGES KEMP'S DIARY: FIRST EXPERIMENT ON ROOF OF GPO KEMP'S DIARY: FIRST EXPERIMENTS AT SALISBURY PLAIN KEMP'S DIARY: FURTHER EXPERIMENTS AT SALISBURY PLAIN KEMP'S DIARY: KINGSTOWN REGATTA EXPERIMENTS KEMP'S DIARY: KITE DRAWINGS KEMP'S DIARY: MEASUREMENTS TAKEN AT BOURNEMOUTH KEMP'S DIARY: RAISING THE MASTS AT POLDHU KEMP'S DIARY: SOUTH FORELAND LIGHTHOUSE KEMP'S DIARY: THE HAVEN HOTEL KEMP'S NOTES AT KINGSTOWN REGATTA LETTER & REPORT: EXPERIMENTS IN TELEGRAPHY & TELEPHONY LETTER FROM AGNES BADEN-POWELL LETTER FROM CUTHBERT HALL LETTER FROM DITCHAM LETTER FROM FLEMING (1) LETTER FROM FLEMING (2) LETTER FROM HOME OFFICE LETTER FROM JAMESON-DAVIS LETTER FROM LLOYD'S OF LONDON LETTER FROM THE SOLICITORS TO THE ANGLO-AMERICAN TELEGRAPH COMPANY LETTER FROM THE TIMES LETTER OF CONDOLENCE (1) LETTER OF CONDOLENCE (2) LETTER OF ORDERS FROM WAR OFFICE LETTER OF THANKS FROM ADMIRAL OF THE FLEET LETTER OF THANKS FROM HAIG LETTER OF THANKS FROM KITCHENER LETTER REGARDING OPENING OF VATICAN STATION LETTER TO FLEMING LETTER TO H J ROUND LETTER TO MARCONI DURING FIRST WORLD WAR LETTER TO MARCONI REGARDING THERMIONIC VALVE LETTER: ASSURANCE OF MARCONI'S COMPLETION OF FORMATION OF THE COMPANY LETTER: BBC BEGINS WIRELESS TRANSMISSIONS (1) LETTER: BBC BEGINS WIRELESS TRANSMISSIONS (2) LETTER: BBC BEGINS WIRELESS TRANSMISSIONS (3) LETTER: BBC BEGINS WIRELESS TRANSMISSIONS (4) LETTER: BROADCAST TO UNITED STATES LETTER: CAPTAIN ROUND & MELBA BROADCAST LETTER: CAPTAIN ROUND TO MARCONI REGARDING TELEPHONY EQUIPMENT LETTER: CONSTRUCTION AT CAPE COD LETTER: CONSTRUCTION OF MASTS AT POLDHU LETTER: EAST GOODWIN LIGHTSHIP LETTER: EXPERIMENTS AT ROYAL NEEDLES STATION LETTER: EXPERIMENTS BETWEEN CROOKHAVEN AND POLDHU LETTER: FLEMING TO MARCONI ON VOICE TELEPHONY LETTER: FORMATION OF MARCONI'S COMPANY (1) LETTER: FORMATION OF MARCONI'S COMPANY (2) LETTER: IMPATIENT SUBSCRIBERS TO THE COMPANY LETTER: KEMP TO MARCONI FROM ROYAL NEEDLES HOTEL LETTER: MARCONI & NOBEL PRIZE LETTER: MARCONI ON THE BEAM SYSTEM (1) LETTER: MARCONI ON THE BEAM SYSTEM (2) LETTER: MATERIALS FOR NEEDLES STATION LETTER: MEMO FROM CAPT HJ ROUND LETTER: PATENT NO. 5028 LETTER: PRESIDENT'S WIRELESS MESSAGE LETTER: SIGNING OF CONTRACTS & FORMATION OF MARCONI'S COMPANY LETTER: SS OLYMPIC & SS TITANIC LETTER: TERMS FOR CONVERSION TO PUBLIC COMPANY LETTER: WIRELESS RECEPTION LETTER: WIRELESS TELEGRAPHY LETTER: WRITTLE DEMONSTRATION LETTER: WT DITCHAM & MELBA BROADCAST ' 2LO CLOSING DOWN' LONG DISTANCE EXPERIMENTS LORD KELVIN'S TELEGRAPH INSTRUCTIONS MANUSCRIPT MESSAGE FROM KELVIN MAP OF MARCONI TRANSATLANTIC STATIONS MAP OF ZEPPELIN ROUTES MAP: DEMONSTRATION AT LA SPEZIA MARCONI COMPANY NAVAL CONTRACTS (1) MARCONI COMPANY NAVAL CONTRACTS (2) MARCONI DIAGRAM MARCONI HOUSE LICENCE: 2LO TRANSMITTER MARCONI'S DIARY MARCONI'S PASSPORT MARCONI'S REPLY TO THE ANGLO AMERICAN TELEGRAPH COMPANY MEMO OF TERMS: THE WIRELESS TELEGRAPH LTD MEMO: PROPOSED EXPERIMENTS AT POLDHU MESSAGE: DAILY MAIL & SS REPUBLIC MESSAGE: IN PRAISE OF MARCONI MESSAGE: SS REPUBLIC MESSAGE: TRANSATLANTIC SERVICE MESSAGES FROM WIMEREUX MULTIPLE SPARK OSCILLATOR: EARLY DRAUGHTMAN'S PLAN NEWSPAPER REPORT BY WIRELESS TELEGRAPHY OUTBREAK OF FIRST WORLD WAR PATENT NO. 12039 & APPLICATION ACCEPTANCE LETTER PATENT NO. 7777/00 PLAN OF LONDON TELEVISION SIGNAL STRENGTH PLAN OF POLDHU SITE POSTCARD: REPORT OF WIRELESS RECEPTION PROGRAMME: MELCHIOR BROADCAST RADIO TIMES RECEIPT:DEMONSTRATION AT LA SPEZIA RENTAL OF LAND AT POLDHU REPORT OF PROGRESS OF CONSTRUCTION OF CLIFDEN REPORT ON MICROWAVE EXPERIMENTS REPORT TO SECRETARY OF WAR: WIRELESS TELEGRAPHY REPORT: JACK BINNS ON SS REPUBLIC SECOND EXPERIMENT AT ROYAL NEEDLES HOTEL: KEMP'S NOTES SECOND EXPERIMENTS AT ROYAL NEEDLES HOTEL: MORSE TAPES SHORT WAVE TESTS (1) SHORT WAVE TESTS (2) SIGNALS RECEIVED AT MADEIRA HOUSE SIGNALS RECEIVED AT THE ROYAL NEEDLES HOTEL SINKING OF THE SS TITANIC SPORTS REPORT BY WIRELESS TELEGRAPHY SS PONCE: FIRST TESTS IN AMERICA SS ST PAUL: PASSENGER LIST SS ST PAUL: THE TRANSATLANTIC TIMES TELEGRAM FROM CAPTAIN SQUIER TELEGRAM FROM GRAHAM BELL TELEGRAM FROM SIR THOMAS LIPTON TELEGRAM OF CONDOLENCE TELEGRAM SENT TO GRAHAM BELL TELEGRAM: MARCONI & NOBEL PRIZE TELEGRAMS FROM HEMING THE ACCIDENT TO MR MARCONI THE ARMISTICE THE BROADCASTING COMMITTEE REPORT THE MARCONIGRAPH 'THE NEW 2LO' TRACK CHART OF SS PHILADELPHIA TRANSMITTER CIRCUIT: 2MT WRITTLE VISION AND SOUND AERIAL WIRELESS BROADCASTING LICENCE (1) WIRELESS BROADCASTING LICENCE (2)