CEMENT—SET AT ORDINABY TEMPEEATÜEES.	593
Obelisk.
0., Mar. 25
2. OB	2.03	2.00	4.06	1,300	320	
2.03	2.00	2.04	4.08	1,320	324	
2.03	2.04	1.99	4.06	1,210	298	
2.02	2.04	2.01	4.10	1,330	324	
2.00	2.03	2.01	4.08	1,390	341	321
1.98	1.98	2.03	4.02	2,580	642	
2.03	2.02	2.00	4.04	2,940	728	
2.00	1.98	2.02	4.00	2,890	723	
1.99	2.02	2.04	4.12	3,180	772	
2.02	2.00	2.04	4.08	2,580	632	699
2.00	2.01	2.02	4.06	3,700	911	
2.01	2.02	2.00	4.04	3,790	938	
2.02	2. 00	2.00	4.00	3,980	995	
2.01	2.01	2.02	4.06	3,710	914	
2.01	2.02	2.00	4.04	4,140	1,020	956
1.99	2.00	2.04	4.08	5,300	1,300	
1.99	2.04	2. 02	4.12	5,790	1,410	
2.01	2.00	2. 05	4.10	5.810	1,420	
2.01	2.01	1.99	4.06	5,650	1,390	
2.00	2.04	1.99	4.06	5,250	1,290	1,360
2.00	2.09	2.02	4.22	600	142	
2.00	2.16	1.98	4.28	630	147	
2.00	2.10	1.99	4.18	550	132	
1.98	2.01	2.00	4.02	600	149	
2.00	2.00	2.12	4.24	650	153	Ü45
2.00	1.99	2.12	4.22	1,750	415	
2,00	2.01	2.13	4.24	1,600	377	
2.04	1.99	2.12	4.22	1,670	396	
2.02	2.00	2. 09	4.18	1,740	416	
2.00	2.00	2.10	4.20	1,730	412	403
1.97	2.00	2.13	4.26	2,500	587	
2. 02	1.99	2.12	4. 22	2,560	607	
2.00	2.10	2.00	4.20	2,410	574	
1.98	1.99	2.08	4.14	2,450	592	590
2. 02	1.98	2.12	4.20	4,100	976	
2.00	1.99	2.07	4.12	4,530	1,100	
2.00	2.06	2.00	4.12	4,270	1,040	
2.01	2.11	1.98	4.18	3,990	955	
2.02	1.98	2.12	4720	4,200	1,000	1,010
1.98	2.07	2.01	4.16	1,230	296	
1.99	2.00	2.08	4.16	1,340	322	
1.97	2.02	2.08	4.20	1,190	283	
2.00	2.01	2.09	4.20	1,280	305	
2.03	1.98	2.10	4.16	1,400	337	309
Neat.		39.3	1	0
				
				
				
				
Neat.		39.3	7	0
				
				
				
				
Neat		39.4	14	0
				
				
				
				
Neat.		39.3	30	0
				
				
				
				
Neat.		38.2	1	0
				
				
				
				
Neat.		38.2	7	0
				
				
				
				
Neat.		38.2	14	0
				
				
				
Neat.		38.2	30	0
				
				
				
				
Neat.		38.0	1	6
				
				
				
				
Potomac.
CO
CO
P. H. C., Apr. 4
H. Doc. 508■