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#railwayengineering
============= WBL-85 HIGH SPEED PANTOGRAPH ON HWH WAP-4 ===========
(See the Attached Image)
Image Link: click here
1st One is the Edited Picture
2nd...
more...

One is the Original Picture
Please note that this WAP-4 has roof mounted Dynamic Brake Resistors.
For details about roof mounted Dynamic Brake Resistors please refer : /faq/post/1129
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The WBL Series of Pantographs are known as "Schunk".
For more details about "Schunk" please refer: click here
(The PDF Document is attached with this BLOG For Reference)