}
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    • Vehicles and Accessories, Railway Machinery, Railway Ancillaries-Bihar

    East Central Railway has published Vehicles and Accessories, Railway Machinery, Railway Ancillaries. Submission Date for this Tender is 10-04-2017. Railway Ancillaries Tenders in Bihar. Bidders can get complete Tender details and download the document.




    Tender Notice

    12088587
    Vehicles and Accessories, Railway Machinery, Railway Ancillaries
    Tender
    Indian
    Bihar
    10-04-2017

    Tender Details

    Supply Of Landolt S C Ring Board Test Equipment With Night Vision Blindness Test Arrangement, Make- Hrn Or Similar. Technical Specification As Per Annex A . Technical Specification- Annex A - Sl. No. 1 Embedded With Landot S Split C Rings. The Test Objects Are Mounted On Black Sand Dull Black Teak Board Box Of Approx. 60 Cm Long X 22 Cm Wide X 1.5 Mm Thick Which May Be Fixed On Wall Or Kept On Table. The Rear Of The Box Board Is Provided With Cover Where Shanks Of Seven Rings Stricks Are Located To Carry The Series Of Tests. Seven Landolt S C Test Objects Ranging From 6/60, 6/36, 6/24, 6/18, 6/12, 6/9, 6/6 Test Object Should Be Rotatory., 2 Illumination- A The Test Objects Are Illuminated To Provide Illumination Within 5 Feet Uniformly. The Source Of Light Is Shaded And Is Not Visible Either To The Examinee Or To The Examiner. B The Test Board Is Illuminated Two 20 Watts Day Light Fluorescent Tubes On Either Side Of The Board. C Fitted With Night Vision Blindness Test With 2 Bulbs For Day Light And Night Vision Examination Of 60 Watts Each Fixed Either Side Of Examination Board, One Above And One Below. The Night Vision Blindness Test Is Attached To A Rheostat To Reduce Or Increase Intensity Of Light Required On Landolt S Board., 3 Modified And Improved Landolt S C Ring Board Test- A Standard Test Object Consisting Of 7 Series Of Matt Black Ring On Acrylic Plastic Sheet. Each Ring Is Broken By A Radial And Parallel Sided Gap. B Test Objects Are Mounted On Teak Board. From The Rear Of Board, The Studs Are Rotatable. Sliding Covers Are Provided On Both Sides Of Board. C Complete Landolt S Board Is In Black Finish With Opening On Either Side With Opening And Operating C Rings From The Back. The Individual Matching Black Colored Discs Are Provided To Cover Each Ring. Complete With Connecting Cable To Work On 220 Volts A/C Mains.

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