A comparison between the performance of two designs, unless based on such tests on each, may lead to entirely erroneous conclusions.

The casing shown in I, Fig. 1, consists of cast-iron pipe with lead-caulked joints enclosing the insulated steam main.

Minutes or Annual meeting of the Board of directors of National Lead Company held at 15 Exchange r'iace, Jersey City, New Jersey, on Thursday, April 13, 1955, at 2 o*clock P.

ISimODgOflOH .This work comprised tile evaluation f various extenders as substitutes for the jahrs^M&nvill di&tomaceons earth (Gelite 281} In the new Improved Town and Country Flat and nrn deep tint flats* These flats are described in Release Letters #1X7&= and #1423* This work was performed wader Project B-5073# Class 0* and wasprompted by the unreliability f Ceilte 281 * mmiw km. c o n c l u s io n s The Great Lakes carbon Company8s DlcaXlte WB5 (diato s&esous earth) appeared to be .a direst substitute- for celite 281 in both types f products* The use of the National Lead Cepanyas Lordte (a natural mineral .composed of dl&tomite and calcium carbonate) seemed to give a direct finished product match to its Oolite 281 counterpart in the deep tint; however* in the Sou and Country Flat White* it gave an acceptable product but it was not a direct product match because of a very slightly higher sheen* Wollastonite (calcium tneba .silicate)* a recently promoted material* did not appear of interest because of film appearance and grit* Incomplete evidence showed that the Great lakes Carbon Company8s Bicallte L2 was promising and that Bioalits J>1 was note. celite 266 (w-165) appears to be promising as m alternate raw material substitute for Celite 281 in the new deep tints; because of its poor color* it could not be considered in .the white formulation* N35463 Hesaoreadum Report Hoa February 10* 1953 This emlmfcion involved f.oxwilations based on regular and low odor mineral spirits and vehicles* ACTXOH TAKER OH HBCOMMBHPBP Xt is suggested that the RAeaXlte WB5 extender he on altered as an alternate source or supply for caiifce 281; however* it should he pointed out that this .material was a special sample and not a commercial Item* Additional information on the suitability f Dicalite L*2 as direct product .substitute should be gathered* The us of Celtte 266 (W-I65) should be considered as an alternate raw material for Celite 281 in the new deep tints* The formulations .employing the Lorite extender should be considered as urgency replaeemsats* BXPBRXMBHTAL DETAILS .

It can also cause annoying whistling at door openings and lead to serious complaints in hotels and offices.

The increased body temperature leads to in creased cell metabolism, and in turn to still greater heat production.

Access doors of convenient size should be provided in the sheet metal connec tions leading to and from the filters. 4.

Use of them will assure there can be no reasonable expectation that poly vinyl chloride packaging materials will lead 'to vinyl monomer becoming a com ponent of foods, or will be ingested.

The reference literature contains Tower Performance Factors which have been reported by various investigators, but the reader should be warned that the use of such factors, without a full understanding of the source, may lead to erroneous results.

This one consideration alone has been a great factor leading to economy in construction and design.

Higher ablative doses of5,000-10,000 rads of mi will lead to a higher inddence of of thyroid parenchyma which may predude all replication and tumorigeaesis.

Any other arrangement in our present society would lead to chaos and anarchy.

DDT in the diet of the rat leads to the storage of about 10 to 15 p.p.m.

. * DETO0P1EHT OF A PH1VSRSAL TXfSTBfO COBOB Js 10*52 INTRODUCTION; The National Lead Company has available a color mining system for -various types of paints which employs a blending base and color blender.

The balance of the vehicle consisted of lead, manganese and cobalt napbthenate driers plus lecithin, nuede and Bentone gel. 0007-SWP-043975 0007-SWP-000127325 -2- Odorleea minerel spirits wee uaed through.