256 ANNUAL REPORT 
PAGE. 
OldestMoLrtar “1M WA Ae ose eee RI StS eet 23 
Opus:Reticula tum geese Se ees eT ene ec ene 17 
STS TL UTNE sio sso ceca aaa aS Tee i a ee var ee iy 
Ornamentals works eee oar coerce ees Gaeden ees sy apena ase nee es 52 
Otay-.dam/San2Diesos, Calasaast ree ones PEMA Pinta oo 100 
~Palmer= concrete: 7: DIOCKi ice ei irene ou ee eee 75 
Meee 1m 6620 10) see a le ape en nce a uae ae em ee 715, 239 
Pantheon; dome of concreteness ee ee eee 18 
Parkers: patente NOs 221-2 0 saaiaercetr ree etre raed cc teh an ent ere Re 19 
Roman cement ..... RENNES el tins eee eo pe ts acti oe ee Perches) 
Parmley’s patent reinforced. cement sewers.................. 167 
Patents: 
ASDGII See oie Pee Oe eaten thangs al ced RN rae en eS age 20 
TI OD DS ee eS ESN TE SST Re aS ae RE oe 20 
IPAT KET SEGA R eS Se Ce PGES cates ee ok AD eI aap ie aoa sees ae AL) 
PAINT OVS eee Nace aie acre Mp ase Oe pe aN ee de aya ne era 167 
Paved= streets} Bellefontaine wmOMi0n 4-764 1 ieee eines vale 
Rermeabilitynofecementmamonrtarerrwicrr reer seer ee 31 
Depending upon amount of water in mortar................ 32 
GLOWE WASTIN 2S i sah seat ice ee See ERS Fa NTA SSC RD ee 32 
Works ofaikettlcrvand Sherman cisco echoes cere csneaioiae 32 
WorkcotaMelickszands Shepherdess sce aoe ere eae 31 
‘Permeability. cons pOLOsity7 ei vat eee eC Ce ere renee 32 
POLiu Vian: SIMASON TY ere area kere Lee a aU CUE Ne Le RP te 18 
Pheniciangitemplemsmontanesine sree ener eae eae ener 23 
PUSS Pat Be Seay are eA ee Rl realy quae aA ete ae aa dat alia 
Flénnebiquearimore de> cee e see acne sain Ae aneiod. eer oa one 173 
Raymond shellonille diene: aoe oe ee eee enero 173 
| FOUN EY fo ea aon ait an eS pCR a Abra Reet na tea luo Reais ihiy nag Gia 147 
Christian Science temple, Columbus, Ohio.................. 148 
PIAStOr: fs USeOb OL ste oor ea ioee cetera paral oes apes ean er Be etek seetiee , 46 
Tables’ fOr plasverlN Sw, jee ee a eee ee eae 46, 47, 48 
Pryxacmortar fr OM yA CHM Sei pcreans nce en areca nee eee etae Bs 
Portland cement: 
Compressiver Stren =thwno temo lca ae earn 24, 25 
MiITSt MAME Wi see ick REbe ee tee pono eb Rau ne als ea ager Rua RRE erat a 20 
Tested iby) * JOHN Granw snc ee ec ee eee Ie 20 
Manutactured ing Unitedssstateshn. oa eee ee 21 
TM POLtAGION: OB ee ele ce eicteeee ore Tee Ree oC Eres ea rr 22 
Tensile.streneth ote Mortar eres erent eee ee eee 24 
Works in United States previous to 1880 .................... 22 
Position of steel reinforcement in the concrete............... 126 
Rosts, American’ Cementsveosta Coste an serie ac rion ier 171 
Mile: posts @2cG Be Ae e Reema tict aca tic anicrauericire colenn te eH aeees swoewic pes 117 
Aoolozicale sarden we aWVashinetOnwseer ener icra eee rane ILA? 
POZZUOVATI AY oo ieee heres ed aan reese ea wen erred meen nee 19 
Preparation of foundation surfaces for concrete.............. 209, 212 . 
¢: Prism .CO]I Ss fees Seeacer Sate a aE eRe Pat et ete ree Peta ce SS 179 
Productionsof cementen(Seen CEMENT) pee ere eee erie 20, 21, 22 
Proportions of aggregate in concrete....... 198, 200, 202, 208, 211, 215, 217, 220, 221 
