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