UICTll R fligh Early Strength PORTIAND GEMENT

Guqrcrnteed to meet or exceed requirements ol Americcrn Society lor Testing Mcrtericls Specificct' tions lor High Ecrrly Strength Portland CemenL cs well crs Federcrl Specificcrtions lor Cement, Portlcmd, High-Ecrly-Strength, No. SS-G201.

HIGf, DARI.Y STRDIIGTH

(28 day concrete strengrhs irr 24 hours.)

$UI.PHATI NISISTAIIT ilnIMUI[ [XPAIfSt0If and dNTRAGTI0If

(Result oI compound composition cnd usuclly lound only in specicrl cements desigrned for lhis purPose.)

S<rles school in aersion men begin the week's course early Monday morning and continue through the following Friday. Written €xaminations are given on the course lectures on Tuesday and Thursday evenings. These activities go on until every Celotex field man has gone through the school.

The department heads of the various building material divisions of the company, assisted by members of the administrative, advertising and sales promotion staff, v;ill act as instructors. The curriculum remains the same each week.

Building construction, principles of insulation, sheathing and lath, rock wool, interior finish products, blue print and quantity reading, roof insulation, built-up and steep roofs, acoustical and sou,nd insulation, gypsum products, farm markets, practical sales helps and procedure, advertising and sales promotion are among the subjects taught at the school.

Calls On Southern Hardwood Mills

Frank J. Connolly, sales manager of \Mestern Hardwoocl Lumber Co., Los Angeles, returned recently from a business trip to the Southern States, rvhere he called on many of the firm's hardwood sawmill connections.

In making the trip he took the train to l\femphis, Tenn., and covered the territory from there by automobile, returning frorn Memphis to Los Angeles by train.

(Extremely s€vcre quto-clcve test recults consistently indiccrte prcrcticcrlly no expansion or conbcrction" thus 6linincrting one o[ moot rliffisull problems in use ol c high ecrrly strength cenrent)

PAGKIII il IilOISTURD. PNOOT GNHII PAPER SACK STAMPDI} WITH DATD OTPACIIIIG AT TTNI

(Users' casurcnce of lresb stock, unifonnity cmd proper resultrB lor concrele.)

Manulactured by

PORTTATID CEMETIT GOMPAIIY qt our Victorville, Cclilornic, "Wet Process" Mill.

Cclilgrrric