1828 HAVEN HOTEL (3) 1880 MARCONI, HIS MOTHER AND BROTHER 1894 VILLA GRIFFONE, ITALY (1) VILLA GRIFFONE, ITALY (2) VILLA GRIFFONE, ITALY (3) VILLA GRIFFONE, ITALY (4) ATTIC LABORATORY, VILLA GRIFFONE 1896 LETTER OF INTRODUCTION MARCONI AFTER ARRIVAL IN ENGLAND BLUE PLAQUE AT 71 HEREFORD ROAD GPO BUILDING, LONDON PREECE, WILLIAM H (2) 71 HEREFORD ROAD, LONDON 1897 DEMONSTRATION AT LA SPEZIA BRISTOL CHANNEL EXPERIMENTS (1) BRISTOL CHANNEL EXPERIMENTS (2) 1898 HAVEN HOTEL (2) WOMEN MAKING COILS AT HALL STREET LACQUERING ROOM, HALL STREET COIL DRYING WORKSHOP, HALL STREET COIL MOUNTING SHOP, HALL STREET STAFF OF FIRST MARCONI COMPANY VIEW OF BOURNEMOUTH OSBORNE HOUSE LADYWOOD COTTAGE ROYAL YACHT OSBORNE EAST GOODWIN LIGHTSHIP INSTRUMENTS AT HAVEN HOTEL MORSE INKER, NEEDLES KINGSTOWN REGATTA (1) KINGSTOWN REGATTA (2) KINGSTOWN REGATTA (3) 1899 MOUNTING SHOP, HALL STREET HMS JUNO HMS MAGICIENNE ENGINEERS IN SOUTH AFRICA, 1899 MARCONI AND KEMP, WIMEREUX AERIAL AT WIMEREUX 1900 STAFF WITHIN HALL STREET HMS THETIS HMS FORTE TONGUE LIGHTSHIP WIRELESS CABIN, TONGUE LIGHTSHIP MOBILE TRANSMISSION EXPERIMENT STREATHAM FIRE STATION (1) STREATHAM FIRE STATION (2) STREATHAM FIRE STATION (3) AUGUSTUS RIGHI 1901 STATION AT BABYLON, LONG ISLAND ALTERNATOR, POLDHU TRANSMITTING EQUIPMENT, POLDHU MARCONI PORTRAIT c.1901 AERIAL BEFORE STORM, POLDHU TEMPORARY AERIAL, POLDHU LAUNCHING THE KITE AT SIGNAL HILL MARCONI RECEIVING TRANSATLANTIC SIGNAL CABOT MEMORIAL TOWER WIRELESS STATION, SIGNAL HILL FAMILY AT VILLA GRIFFONE POLDHU AFTER THE STORM HORNSBY-ACKROYD OIL ENGINE CAPE COD STATION MARCONI STATION AT BABYLON, LONG ISLAND (1) MARCONI STATION AT BABYLON, LONG ISLAND (2) RAISING THE KITE, SIGNAL HILL CABOT TOWER, SIGNAL HILL WIRELESS STATION AT CROOKHAVEN 1902 BRADFIELD, W.W, GLACE BAY ON BOARD SS PHILADELPHIA EARLY MAGNETIC DETECTOR (1) EARLY MAGNETIC DETECTOR (2) PAINTING OF THE CARLO ALBERTO MAGNETIC DETECTOR ON THE CARLO ALBERTO EARLY MODEL OF A MAGNETIC DETECTOR STATION AT SOUTH WELLFLEET SOUTH WELLFLEET STATION CONSTRUCTION OF TOWERS, POLDHU VIEW FROM TOWER, POLDHU SS PHILADELPHIA STATION BUILDING, GLACE BAY BUNGALOW AT CAPE COD STATION BUILDING, POLDHU MARCONI & HENNIKER HEATON SOLARI WITH MARCONI 1903 MARCONI, THE CREW AND THE SS LUCANIA SS LUCANIA HAVEN HOTEL (1) ENGINE HOUSE, GLACE BAY STAFF AT GLACE BAY HAVEN HOTEL (4) EARLY DIRECTION FINDING EXPERIMENTS MARCONI AND HEMING, POLDHU WIRELESS CABIN, LUCANIA MARCONI ON LUCANIA WIRELESS TELEGRAPHY ON LUCANIA LIZARD STATION (1) LIZARD STATION (2) ROYAL VISIT TO POLDHU 1904 FLEMING'S THERMIONIC VALVE 1905 INTERIOR OF DALSTON WORKS (1) MARCONI DALSTON WORKS (2) WORKSHOP AT DALSTON WORKS (1) WORKSHOP, DALSTON WORKS FAMILY GROUP IN BOLOGNA 1906 MARCONI TRAIN AT CLIFDEN BUILDINGS AT CLIFDEN CONDENSER HOUSE AT CLIFDEN 1907 MARCONI TRAIN AT CLIFDEN STATION WIRELESS ROOM AT CLIFDEN SPARKING SIGNALLING KEY MARCONI LIGHT RAILWAY DISC DISCHARGER, CLIFDEN POWERHOUSE, CLIFDEN CLIFDEN VILLAGE MARCONI EXPRESS TRAIN (1) CLIFDEN STAFF VISITORS ON MARCONI EXPRESS TRAIN MARCONI EXPRESS TRAIN (2) DISC ARMATURE, GLACE BAY GENERATING ROOM, GLACE BAY RECEIVING ROOM, GLACE BAY (1) RECEIVING ROOM, GLACE BAY (2) OPERATORS DESK AT CLIFDEN POWER HOUSE, CLIFDEN CLIFDEN STAFF RESIDENCES 1909 SS REPUBLIC MENU FROM 'JACK BINNS' DINNER (1) MENU FROM 'JACK BINNS' DINNER (2) MENU FROM 'JACK BINNS' DINNER (3) GOLD WATCH PRESENTED TO JACK BINNS (1) GOLD WATCH PRESENTED TO JACK BINNS (2) GOLD WATCH INSCRIPTION GUESTS AT JACK BINNS DINNER VICKERS VIMY CRASH AT CLIFDEN JACK BINNS RECEIVES GOLD WATCH 1910 CRIPPEN AND LE NEVE ON THE SS MONTROSE BEATRICE O'BRIEN AND CHILDREN POLDHU HOTEL AND WOODEN TOWERS DR CRIPPEN'S ARREST CRIPPEN HEADLINE IN WEEKLY DISPATCH, 1910 INSPECTOR DEW APPROACHING MONTROSE BEATRICE O'BRIEN MARCONI WITH DEGNA THORNE-BAKER HOLDING APPARATUS ROBERT LORAINE RECEIVES INSTRUCTIONS ROBERT LORAINE IN FLIGHT THORNE-BAKER LISTENING FOR SIGNALS WELLMAN AND HIS AIRSHIP WELLMAN'S COURSE WELLMAN'S WIRELESS OPERATOR WELLMAN'S RESCUE SHIP WELLMAN'S RESCUE RESCUE OF WELLMAN AND CREW 1911 PEAT DIGGERS AT CLIFDEN 1912 RADIOTELEGRAPHIC CONFERENCE (1) INTERIOR OF WIRELESS ROOM ON SS OLYMPIC STUDENT WIRELESS OPERATORS STUDENTS AT THE MARCONI SCHOOL (2) STUDENTS AT THE MARCONI SCHOOL (1) STUDENTS AT THE MARCONI SCHOOL (3) ENTRANCE HALL, MARCONI HOUSE (1) MARCONI AT RADIOTELEGRAPHY CONFERENCE (1) MARCONI AT RADIOTELEGRAPHY CONFERENCE (2) WIRELESS OPERATOR AT MARCONI HOUSE APPARATUS IN THE MARCONI SCHOOL ENTRANCE HALL, MARCONI HOUSE (2) TOWER AND MAST AT POLDHU (1) TOWER AND MAST AT POLDHU (2) DEMOLITION OF TOWERS AT POLDHU (1) DEMOLITION OF TOWERS AT POLDHU (2) DEMOLITION OF TOWERS AT POLDHU (3) POLDHU STATION WITH STEEL MASTS RADIOTELEGRAPHIC CONFERENCE (2) WORKERS CONSTRUCTING NEW STREET STORES INSIDE NEW STREET ACCOUNTS OFFICE, NEW STREET MACHINE SHOP, NEW STREET ASSEMBLY SHOP, NEW STREET (1) POWER TEST ROOM, NEW STREET CONDENSER AND WINDING SHOP PACKING SHOP, NEW STREET ASSEMBLY SHOP, NEW STREET (2) ATLANTIC SHIPPING CHART (1) ATLANTIC SHIPPING CHART (2) CARTOON OF MARCONI CARTOON: MARCONI WITH NEPTUNE MARCONI AND ISAACS VARIOUS OPERATORS, TITANIC MARCONI HOUSE, THE STRAND (3) CONSTRUCTION OF NEW STREET POLDHU STATION AND MASTS DELEGATES AT TRURO DELEGATES AT POLDHU SAFETY AT SEA CONFERENCE HAROLD BRIDE SS TITANIC (1) WAITING ROOM, MARCONI HOUSE TRANSFER DEPARTMENT, MARCONI HOUSE TELEGRAPH OFFICE, MARCONI HOUSE BOARD ROOM, MARCONI HOUSE MARCONI'S OFFICE, MARCONI HOUSE SS TITANIC (2) JACK PHILLIPS SS TITANIC: SEA TRIALS SS TITANIC: WIRELESS CABIN 1914 WORLD WAR I PACK SET SETS MOUNTED ON MOTORCYCLES SADDLE MOUNTED WIRELESS SET WAGON MOUNTED WIRELESS SET FRANKLIN, C.S. MARCONI WIRELESS PACK SET (2) MARCONI WIRELESS PACK STATION (1) MARCONI WIRELESS PACK STATION (2) MARCONI AND ITALIAN ARMY (1) MARCONI AND ITALIAN ARMY (2) MARCONI BEARING HONOURS TRANSMITTING ROOM, POLDHU ROTARY SPARK TRANSMITTER, POLDHU 1915 MARCONI TRENCH SET 50 WATT MARCONI TRENCH SET WIRELESS ROOM ON THE SS LUSITANIA MARCONI WIRELESS PACK SET (1) LETTER OF INSTRUCTION NOTES ON INSTRUCTION 1916 PAGE FROM A LOG BOOK DIRECTION FINDING STATION 1917 MARCONI STATION AT CAPE COD 1918 MARCONI WIRELESS TELEGRAPHY SET ARMISTICE MARCONIGRAM 1919 MAST AT NEW STREET ALCOCK AND BROWN BY AIRCRAFT ALCOCK AND BROWN TAKING OFF PLAQUE TO ALCOCK AND BROWN ALCOCK AND BROWN AT CLIFDEN ALCOCK AND BROWN CRASH LAND ALCOCK AND BROWN ON MARCONI EXPRESS 1920 NEWS SERVICE FROM CHELMSFORD DAME NELLIE MELBA MELCHIOR BROADCAST DAME NELLIE MELBA, MR AND MRS ISAACS PASSENGERS ON THE SS VICTORIAN MARCONI, BEATRICE AND THEIR CHILDREN STEAM YACHT ELETTRA ELETTRA'S WIRELESS ROOM MARCONI PORTRAIT c.1920 ENTRANCE TO HAVEN HOTEL 1921 MARCONI HOUSE STUDIO NEW YEAR, MARCONI HOUSE 1922 MARCONI HOUSE, THE STRAND (1) BROADCASTING SET, MARCONI HOUSE BROADCASTING STATION, WRITTLE (1) LIVE BROADCASTING, WRITTLE DOMESTIC V2 RADIO RECEIVER BROADCASTING STATION, WRITTLE (2) DOMESTIC V2 RECEIVER 2MT WRITTLE STAFF, 2MT, WRITTLE 2LO TRANSMITTER CARS WITH MARCONI PHONE V2 RADIO RECEIVERS MARCONIPHONE V2 RECEIVER MOUNTED ON CAR 1923 MARCONI HOUSE, THE STRAND (2) AERIAL, MARCONI HOUSE ROOF OF MARCONI HOUSE AND SKYLINE EARLY BROADCASTING MICROPHONE ROUND-SYKES MOVING COIL MICROPHONE STUDENTS, MARCONI SCHOOL, LIVERPOOL EXPERIMENTS ON THE ELETTRA ON ELETTRA'S DECK ISAACS' OFFICE IN MARCONI HOUSE (1) ISAACS' OFFICE IN MARCONI HOUSE (2) ROYAL MICROPHONE (1) ROYAL MICROPHONE (2) TELEGRAPH RECEIVING OFFICE 1924 5XX TRANSMITTER (1) MARCONI ON BOARD ELETTRA (1) MASTS FOR 5XX TRANSMITTER 5XX TRANSMITTER, DAVENTRY MARCONI: STUDIO PHOTOGRAPH (2) 1925 RIGGING CREW, NEW STREET 1926 ELETTRA IN MOUNTS BAY BODMIN BEAM STATION TRANSMITTER ROOM (1) BODMIN BEAM STATION TRANSMITTER ROOM (2) BODMIN STATION AND AERIAL SYSTEM (1) BODMIN STATION AND AERIAL SYSTEM (2) BODMIN STATION AND AERIAL SYSTEM (3) BRIDGWATER STATION AND AERIAL SYSTEM SHORT WAVE BEAM RECEPTION MASTS AT BRIDGWATER MESSAGE RECEIVED AT BRIDGWATER ELETTRA AT PENZANCE KEMP WITH KITE 1927 MARCONI WITH SECOND WIFE MARIA CRISTINA WEDDING OF MARCONI AND MARIA CRISTINA GRIMSBY BEAM STATION BEAM STATION, KIRKEE, INDIA BEAM STATION, DHOND, INDIA 1928 MARIA CRISTINA ON ELETTRA'S DECK WIRELESS APPARATUS ON ELETTRA TRANSMITTING APPARATUS ON ELETTRA (1) MARCONI AND MARIA CRISTINA ON BOARD ELETTRA (3) MARCONI WITH OTHERS ON ELETTRA TRANSMITTING APPARATUS ON ELETTRA (2) WIRELESS ROOM ON ELETTRA DIRECTION FINDING AERIAL, ELETTRA MARCONI AND MARIA CRISTINA ON BOARD ELETTRA (1) MARCONI ON BOARD ELETTRA (3) 1929 MARCONI IN RADIO ROOM, ELETTRA 1930 SYDNEY TOWN HALL ILLUMINATIONS ACCOUNTS, MARCONI HOUSE MARCONI: STUDIO PHOTOGRAPH (1) MARCONI: STUDIO PHOTOGRAPH c.1930 MARCONI, MARIA CRISTINA AND DAUGHTER ELETTRA 1931 ULTRA SHORT WAVE ANTENNA (1) ULTRA SHORT WAVE ANTENNA (2) FIRST DEMO OF ULTRA SHORT WAVE SYSTEM FIRST DEMO OF ULTRA SHORT WAVE 1932 VATICAN RADIO TELEPHONE LINK (1) VATICAN RADIO TELEPHONE LINK (2) SEMAPHORE SIGNAL STATION ROCCA DI PAPA LANDSCAPE VIEW ACROSS ROCCA DI PAPA (1) VIEW ACROSS ROCCA DI PAPA (2) ULTRA SHORT WAVE REFLECTOR DISH OX CARTS WITH EQUIPMENT (1) OX CARTS WITH EQUIPMENT (2) ARTICLE FROM THE SPHERE MARCONI AND MARIA CRISTINA, 1932 VATICAN RADIO TELEPHONE LINK LINKING THE VATICAN MARCONI WITH THE POPE MARCONI AT VATICAN DEMONSTRATION (1) VATICAN RADIO TELEPHONE MARCONI ON BOARD ELETTRA (2) MARCONI AND MARIA CRISTINA ON BOARD ELETTRA (2) MARCONI COMPANY SPORTS DAY 1933 OPERATOR LISTENING FOR SIGNAL OPERATOR RECEIVING A SIGNAL ULTRA SHORT WAVE DISH (1) ULTRA SHORT WAVE DISH (2) ULTRA SHORT WAVE DISH (3) ULTRA SHORT WAVE DISH (4) ULTRA SHORT WAVE DISH (5) ELETTRA: ULTRA SHORT WAVE DISH (1) EQUIPMENT FOR ULTRA SHORT WAVE ULTRA SHORT WAVE DISH AND AERIAL ELETTRA: ULTRA SHORT WAVE DISH (2) ELETTRA: ULTRA SHORT WAVE DISH (3) ULTRA SHORT WAVE EQUIPMENT MARCONI AT VATICAN DEMONSTRATION (2) WORLD TOUR MAP: TRANSMISSION RANGE OF ULTRA SHORT WAVE EXPERIMENTS 1934 MARCONI IN ILL HEALTH ULTRA SHORT WAVE BEACON MARCONI WITH MARIA CRISTINA WHEEL HOUSE ON ELETTRA ELETTRA: BLIND NAVIGATION EXPERIMENT 1935 TELEVISION AERIAL, HAYES TEMPORARY CONTROL ROOM 1936 MARCONI, MARIA CRISTINA AND ELETTRA CABIN ON ELETTRA ALEXANDRA PALACE MISS ELIZABETH COWELL AT THE BBC STUDIO AT ALEXANDRA PALACE (1) STUDIO AT ALEXANDRA PALACE (2) PROJECTING ROOM THREE ADMIRALS LARRY ADLER TEST TELEVISION TRANSMISSION (1) TEST TELEVISION TRANSMISSION (2) 1937 OUTSIDE BROADCAST VAN MOBILE BROADCAST VAN INTERIOR MOBILE BROADCAST VAN EXTERIOR MOBILE TELEVISION UNIT MOBILE UNIT, WIMBLEDON CAMERAMAN WITH MOBILE UNIT MOBILE BROADCAST SUPPLY VEHICLE MOBILE BROADCAST POWER SUPPLY VEHICLE OUTSIDE BROADCAST AT THE CORONATION OUTSIDE BROADCAST, ALEXANDRA PALACE (1) OUTSIDE BROADCAST, ALEXANDRA PALACE (2) OUTSIDE BROADCAST, ALEXANDRA PALACE (3) OUTSIDE BROADCAST VEHICLES (1) OUTSIDE BROADCAST VEHICLES (2) OUTSIDE BROADCAST FILMING OUTSIDE BROADCAST VEHICLES (3) CABLES, OUTSIDE BROADCAST LONDON TELEVISION STATION TELEVISION SOUND TRANSMITTER SYSTEM CONTROL ROOM (1) SYSTEM CONTROL ROOM (2) 1951 POLDHU VETERANS SS KAISER WILHELM DER GROSSE HERTZ, HEINRICH CAMPBELL-SWINTON, A. A. MEMORIAL PLAQUE AT CAPE COD ALLEN, H. W. PREECE, WILLIAM H (1) PAINTING OF THE HAVEN HOTEL AERIAL VIEW: BOURNEMOUTH VIEW FROM ATTIC, VILLA GRIFFONE MARCONI'S BIRTHPLACE TRANSMITTER ROOM, GLACE BAY RECEIVER ROOM, GLACE BAY STEAM ENGINE AND ALTERNATOR, GLACE BAY (1) STEAM ENGINE AND ALTERNATOR, GLACE BAY (2) JOHNSTONE, L.R. GLACE BAY STATION STAFF AT GLACE BAY STATION MARCONI MAUSOLEUM FLEMING, AMBROSE, J STATION AT POLDHU PORTRAIT OF SAMUEL MORSE VIEW FROM VILLA GRIFFONE JAMESON-DAVIS, HENRY CHELMSFORD SKYLINE CAPTAIN H J ROUND (1) CAPTAIN H J ROUND (2) MAJOR FLOOD PAGE FRANKLIN, C.S. (2) OLIVER LO