Where three connections exist, one is a two Inch diameter unloading line which extends to the bottom of the car, the second is a one Inch diameter air inlet connection and the third is a two inch diameter pressure safety vent, which is a thin lead disc adjusted to release any pressure in excess of 60 pounds gaage.

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It also seeks discovery of irrelevant information which is not calculated to lead to admissible evidence.

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V vJi %' V MWBB-0014970 Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL LEGAL-.

Where three connections exist, one Is a two Inch diameter unloading line which extends to the bottom of the car, the second Is a one inch diameter air inlet connection and the third is a two Inch diameter pressure safety vent, which is a thin lead disc adjusted to release any pressure in excess of 60 pounds gaage.

Where three connections exist, one is a two inch diameter unloading line which extends to the bottom of the car, the second is a one inch diameter air inlet connection and the third is a two inch diameter pressure safety vent, which is a thin lead disc adjusted to release any pressure in excess of 60 pounds gauge.

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33 I as / y zt Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL legal.. > dociiiom and irasda JUNE, 1953 (VoL 17, No. 6) lUCn L---- vJ INDUSTRIAL HYGIENE FOUNDATION MELLON INSTITUTE 4400 FIFTH AVENUE ,PITTSBURGH 13 PA. 03119^50 PLAINTIFFS * EXHIBIT Industrial Hygiene Digest June, 195A v---j Z> 0 !

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V vJi %' V MWBB-0014970 Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL LEGAL-.

Where three connections exist, one Is a two Inch diameter unloading line whloh extends to the bottom of the oar, the second Is a one Inch diameter air Inlet connection and the third Is a two Inch diameter pressure safety vent, whloh Is a thin lead disc adjusted to release any pressure In exoess of 60 pounds gauge.

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Therefore, the response of NSRC to such interrogatories could not lead to the discovery of admissible evidence.

This defendant objects to this interrogatory on the ground that it seeks irrelevant and immaterial information which is not reasonably calculated to lead to the discovery of admissible evidence.