January, 1907 



AMERICAN HOMES AND GARDENS 



XXI 



Cement Concrete 



RemTorced Concrete 

 Concrete Builciing Blocks 



SCIKNTIFIC AMERICAN SUPPLEMENT 

 1543 contains an article on Concrete, by 

 Brysson Cunningliam. The article clearly 

 describes the proper composition and mixture 

 of concrete and gives the results of elaborate 

 tests. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 1538 gives the proportion of gravel and sand 

 to be used in concrete. 



SCIENTIFIC AMERICAN SUPPLEMENTS 

 1567. 1568, 1569, 1570, and 1 57 1 contain an 

 elaborate discussion by Lieut. Henry J. Jones 

 of the various systems of reinforcing con- 

 crete, concrete construction, and their appli- 

 cations. These articles constitute a splendid 

 text book on the subject of reinforced con- 

 crete. Nothing better has been published. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 997 contains an article by Spencer Newberry 

 in which practical notes on the proper prepa- 

 ration of concrete are given. 



SCIENTIFIC AMERICAN SUPPLEMENTS 

 1568 and 1569 present a helpful account of 

 the making of concrete blocks by Spencer 

 Newberry. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 1 534 gives a critical review of the engineer- 

 ing value of reinfo-rced concrete. 



SCIENTIFIC AMERICAN SUPPLEMENTS 

 1547 and 1548 give a resume in wliich the 

 various systems of reinforced concrete con- 

 struction are discussed and illustrated. 



SCIENTIFIC AMERICAN SUPPLEMENTS 

 1564 and 1565 contain an article by Lewis 

 A. Hicks, in which the merits and defects 

 of reinforced concrete are analyzed. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 1551 contains the principles of reinforced 

 concrete with some practical illustrations by 

 Walter Loring Webb. 



SCIENTIFIC AMERICAN SUPPLEMENT 



1573 contains an article by Louis H. Gibson 

 on the principles of success in concrete block 

 manufacture, illustrated. 



SCIENTIFIC AMERICAN SUPPLEMENT 



1574 discusses steel for reinforced concrete. 



SCIENTIFIC AMERICAN SUPPLEMENTS 

 1575. 1576, and 1577 contain a paper by 

 Philip L. Wormley, Jr., on cement mortar 

 and concrete, their preparation and use for 

 farm purposes. The paper exhaustively dis- 

 cusses the making of mortar and concrete, 

 depositing of concrete, facing concrete, wood 

 forms, concrete sidewalks, details of con- 

 struction of reinforced concrete posts, etc. 



SCIENTIFIC AAIERICAN SUPPLICMENT 

 1372 contains an article by A. D. Fibers on 

 tests and constitution of Portland cement. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 1396 discusses the testing of cement. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 1325 contains an article by Professor Will- 

 iam K. Hatt giving an historical sketch of 

 slag cement. 



SCIENTIFIC AMERICAN SUPPLEMENTS 

 955 and 1042 give good accounts of cement 

 testing and composition, by the well-known 

 authority. Spencer B. Newberry. 



SCIENTIFIC AMERICAN SUPPLEMENTS 

 1 5 10 and 1511 present a discussion by 

 Clifford Richardson on the constitution of 

 Portland cement from a physico-chemical 

 standpoint. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 1 5 19 contains an essay by R. C. Carpenter 

 on experiments with materials which retard 

 the activity of Portland cement. 



SCIENTIFIC AMERICAN SUPPLEMENTS 

 1465 and 1466 publishes an exhaustive illus- 

 trated account of the Edison Portland ce- 

 ment works, describing the machinery used. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 149 1 gives some fallacies of tests ordinarily 

 applied to Portland cement. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 1 56 1 presents an excellent review by Brysson 

 Cunningham of mortars and cements. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 1533 contains a resume of the cement in- 

 dustrv and gives some valuable formula:. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 1575 discusses the manufacture of hydraulic 

 cement. L. L. Stone is the author. 



SCIENTIFIC AMERICAN SUPPLEMENTS 

 1587 and 1588 contain an able paper by 

 Edwin C. Eckel on cement material and 

 industry of the LTnited States. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 1586 contains a review of concrete mixing 

 machinery by William L. Larkin. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 1583 gives valuable suggestions on the selec- 

 tion of Portland cement for concrete blocks. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 1581 splendidly discusses concrete aggre- 

 gates. A helpful paper. 



SCIENTIFIC AMERICAN SUPPLEMENT 

 1595 presents a thorough discussion of sand 

 for mortar and concrete, by Sanford E. 

 Thomson. 



Each number of tke Supplement costs 10 cents. A set of papers 

 containing all tlie articles atove mentioned will Le mailed for $3.50 



Order from your Newsdealer or from 



MUNN ^ COMPANY, 361 BROADWAY, NEW YORK CITY 



THE "GLOBE" 



is bailt on honor 

 d sold on merit 



The Globe Ventilator 



In Galvanized Iron, Brass and Copper 

 Also with Glass Tops for Skylight 



Simple, Symmetrical, Storm-proof, Effective. For perfectly 

 ventilating buildings of every character. Send for model and 

 pamphlet. Smoky Chimneys Cured. 



"GLOBE VENTILATED RIDGING" 



Manufactured by 



Globe Ventilator Company 



Troy, N. Y. 



METAL SHINGLES 



make the house look riijlit from the outside and feel right 

 from the inside. They beautify the buildinu, and protect 

 the dweiline from fire, storm and lightning. That'a the 

 reason ttie architects sliouid specify them. 



Cortright Metal Roofing Co. 



PHILADHl.l'HlA CMirAfJO 



A Summer Cruise 

 in Winter 



From New York to Porto Rico 

 direct then completely around 

 the island— stopping for a day 

 or two at i nterestiug places is 

 the itinerary of the most de- 

 lightful cruise conceivable. 

 The most gorgeously appointed 

 steamers — giving hotel accommoda- 

 tions for the entire trip. 



Around 



in one of these steamers gives you a 

 three weeks' pleasure trip in a summer 

 climate where the rare elements of pure 

 sea air and tropical breezes blend to a 

 delightfully invigorating atmosphere. 



Special tourist rate, $140 which in- 

 cludes every expense. All outside state- 

 rooms. Steamers sail weekly. Send 

 for illustrated booklets. 



The New York and 

 Porto Rico Steamship Co., 



12 Brdadwat, N. Y., 



dfr Raymond & >Vhitcuuib Co.— AH Priccipal (.'ItieB* 



Write for 

 illustrated 

 booklet W free. 



JOSEPH BIXON OBUCIBLE CO., 

 Jersey City, N. J. 



F. WEBER CS, CO. 



Engineers' and Draughtsmen's Supplies 



Sole Agents for Riefler's Instruments, Ott's PantoEraphs. 



Drawing and Blue-print Papers. Drawing-boards. Tables. Squares. 

 Triangles, etc.. Engineers' and Builders' Transits, and Levels of 

 Best Makes. Send for Catahgue. Viil. 2b3. 



1125 Chestnut St., PHILADELPHIA, PA. 



Branch Houses : St. Louis and Baltimore 



Make Your Own 



Concrete 

 Building Blocks 



Best^ 

 Simplest. 



Fastest. 

 Cheapest. 



MACHINE 



No crackage or breakage 



No off-bearing 



No expensive iron pallets 



No cogs, gears, springs or levers 



Move the Machine, Wot the Blocks 

 THE PETTYJOHN CO. 



617 N. 6th St. Terre Haute. ]nd. 



BRISTOL'S 



Recording Ihermometer 



Located within house, records on a 



weekly chart outside temperature 

 Also. Bristol's Recording Pressure Gauges, Volt. 

 Ampere and Watt Meters. Over 100 different vari- 

 eties, and guaranteed. Send for Cutn/o^ B. 

 THE BRISTOL CO., Waterbury, Conn. 



Chicago, 753 Monadnock Bldg. 



New York, 114 Liberty St. 



