Big Additions to Derby's Trolley-bus Fleet
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A N order for 12 56seater coachbalIt bodies, to be mounted on Guy six-wheeled trolley-bus chassis, is being completed for Derby Corporation by Metropolitan Cammell-Weymann Motor Bodies, Ltd., Addlestone, Surrey.•
As the accompanying illustration shows, the vehicles possess modern and well-balanced lines. Careful attention has been paid to ventilation, for in the upper saloon there are a Flettner and a Colt extractor, these being supplemented by three drop windows on each side.
In the lower saloon there is a permanent, intake ventilator in the front and louvres in the cant panels. _There are also two half-drop windows on each side, whilst above all adjustable windows there are louvres in black-cellulosed frames. All drop windows are of the Q.T. NS-type, and Triplex glass is used throughout for every window of the fleet of vehicles.
The seats are of special Lace Web design and trimmed in brown hide, the cushions being built up on spring cases.
The floors are covered with brown Battleship linoleum, whilst the interior roof of the upper saloon is cellulosed white. The lower deck has a ceiling with a panel of bird's-eye maple down the centre, with mahogany-faced panels at each side, Mahogany is used for the other interior woodwork, whilst the metal fittings are covered with black Doverite, combined with chromium plate.
The bodybuilder's special three-piece channel-section steel gantry is fitted, which insulates the bases of the trolleys from the upper-saloon roof and prevents drumming. The trolley bases and booms are Guy products, and are insulated from the gantry by Silentbloc mountings, .
The destination indicators have been designed to the special requirements of Derby Corporation and that at the front, as will be seen from the accompanying illustration, is rather unusual.