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

Capacity Hand Pallet Jack Pick-up 3/4 Ton 11.00 14.50 40.00 5.00 11.00 50.00 70.00 160.00 25.00 50.00 200.00 280.00 475.00 75.00 200.00 VACUUM CLEANERS, Tornado Air Vac 6- Accessories 8.00 24.00 69.00 VIBRATOR, Electric, 7/8" Head 2.65 8.00 24.00 WELDING LEADS, 100 Ft. #2 4.00 7.00 12.00 WELDING MACHINES Capacitor Discharge Pin Machine, Complete Electric, 300 Amp 66.00 12.00 1 125.bo 40. bo 250.00 117.00 WHEEL BARROWS AND BRICK BARROWS 1.00 3.00 9.00 | BB 0011890 | EQUIPMENT RENTAL RATE SCHEDULE Date: Jaruary 1, 1968 ( Page 5 of 6 ) GENERAL CONDITIONS The rental rates are for llbareu equipment only.

M TMokot LP-32 polysulfide RteaoSle win AaoCM 1232 Cafclum e&rtoaate Titanium dioxide Stole add Sulfur ' ' 100 $ MS 40 10' I 0.1 C-S paste (lead peroxide, 50%; dibutyl phthalate, 45%; stearic acid, 5%: passed three times through a tight paint mill.)

Also, an evaluation of RG-144, 244, and 444 showed no definite advantage as a possible anti-settling aid in VAGH red lead marine paints.

. - c X Dowtherm VIII (forms red-violet vat) DUP0500271 93 -5- The alternative closure of 1,5-bis(2-oxocyclohexanecarboxyamido)anthracene into the 9- and 10- positions of the anthracene ring would lead to the seven-membered lactam (XI) which is iso meric with the six-membered lactam (IX).

Safety in Hoisting Saves Costly Injuries At Mount Rushmore National Memorial in South Dakota small fissures in the sculptured faces of Washington, Jefferson, Lincoln and Roosevelt are being sealed with granite dust and white lead.

I spoke with Katharine Boucot about Claire Patterson's lead paper and your comments.

Mary Carter Paints 3142 E 7th Naples Paint Co 5738 E 2d __________ "* National Lead Cp.843 Pine av Ovard Paint & Wallpaper 535 W Willow .

Soft metals such as lead and brass improve wear while carbon and graphite serve as friction modifiers.

Since austenite is relatively soft and ductile, any appre ciable quantity present in the surface structure of a tool or machine part will cause reduced hardness which may lead to nre rapid wear.

The following formulation illustrates the use of Aroclor 1232 in a joint-sealer formulation: JOINT-SEALANT COMPOUND FOR CURTAIN-WALL CONSTRUCTION Ingredienh Parts by Weight Thiokol LP-32 polysulfide Phenolic resin Aroclor 1232 Calcium carbonate Titanium dioxide Stearic acid Sulfur 100 5 5-15 40 10 1 0.1 C-5 paste (lead peroxide, 50%; dibutyl phthalate, 45%; stearic acid, 5%: passed three times through a tight paint mill.) 6 Properties Cast sheets, after cure of 7 days at room temperature: Tensile strength , psi Elongation, % Hardness, Shore "A" 150-250 500-700 30-40 SW 32204s STLCOPCB4073695 0 Casting Compounds Solvent-resistant gaskets of polysulfide polymers may be poured and cured in-place.

After being caulked, the joint is sealed with position (where best regulation is obtained), the fluid velocity molten lead.

--A short L. defines fine particle sizes and types and gives a general survey 1 biography is given of Professor Toropov, leading Soviet chemist of their intrinsic or definitive, application, and functional proper working in the field of silicate chemistry, ferrites, cement, etc.

Lead pipe was used for service connections to aqueducts by the Romans between 300 B.C. and 450 A.D.

PUBLISHED REFERENCES TO THE BIOLOGICAL EFFECTS OF VINYL CHLORIDE INCLUDING CHEMICAL ABSTRACTS 1962-JANUARY 14, 1974 AND BIOLOGICAL ABSTRACTS 1962-1973 Assembled In chronological order by: THE DOW CHEMICAL COMPANY January, 1974 Although, this compilation contains most of the references to the biological effects of vinyl chloride as related to mammalian toxicity, the compilation should not be considered as exhaustive.