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Aviation History
1949
1949 - 0771.PDF
5-f Advertisements. FLIGHT APRIL 25TH, 1949 /I New fVeston Frequency indicator T X HE 'Veston Model S109 is a new Frequency Indicator especially designed for aircraft use. It is of the ratiometer type and has a circular scale having an angle of 270° and a length of 5| inches. This indicator is made for all standard aircraft voltages and normally indicates frequencies between 300 and 500 c.p.s. A feature of the indications is that they are independent of wave form and any normal variations in the supply voltage. The readings are accurate to within ± 1 per cent, of the maximum indicated frequency. The Indicator is unaffected by external magnetic fields and it is shielded against compass inter- ference. It is entirely self-contained and is supplied in a standard bakelite aircraft case for panel mou ting. WE S TON Aircraft Instruments SANGAMO WESTON LIMITED GREAT CAMBRIDGE ROAD • ENFIELD - MIDDLESEX Telephone: FNField UU & 1242. .Mf AIRPORT BANKING All travellers by air are invited to call at the Air- port branches of the Midland Bank and its affiliation, the Clydesdale Bank. These offices are conveniently situated in the Passengers' Arrival Halls at the air- ports and provide a complete banking service, including facilities for foreign exchange and other banking requirements of travellers. MIDLAND BANK LIMITED NORTHOLT AIRPORT , Middlesex LONDON AIRPORT Heathrow CROYDON AIRPORT Surrey THE CLYDESDALE BANK LIMITED PRESTWICK AIRPORT Ayrshire
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