144 HEETFOEDSHTEE OEDNANCE BENCH MARKS. 



Mark on the 20th milestone from London and 1st from 

 St. Albans ; 1*16 ft. above centre of road 289'453 



Mark on north-east comer of the Mile House public- 

 house, at west side of road ; l'78ft. above centre of road 295*052 



Mark on the 19th milestone from London and 2nd 

 from St. Albans; 0-79 ft. above centre of road . . . . 285"66i 



Mark on brick at end of pipe, west side of road ; 1-41 ft. 

 below centre of road 261 "334 



Mark on the 1 8th milestone from London and 3rd from 

 St. Albans; 0"83 ft. above centre of road 235'943 



Mark on south-east corner of house at junction of road, 

 north end of London Colney ; 2-79 ft above centre of road 244"8oi 



Mark on north face of south battlement of London 

 Colney Bridge; 2-44 ft. below top of battlement .. .. 227-418 



Mark on south-east comer of house at west side of road, 

 London Colney ; 2*98 ft. above centre of road . . . . 231*494 



Mark on top of the 17th milestone fi'om London and 

 6th from Chipping Bamet; 1 79 ft. above centre of road 238*758 



Mark on south end of pipe at east side of road ; 0*10 ft. 

 below centre of road 258*724 



Mark on end of pipe at east side of road; 0*1 6 ft. below 

 centre of road 299*196 



Mark on top of the 16th milestone from London and 

 5th from Chipping Bamet; 3-31 ft. above centre of road 402*440 



Mark on end of pipe at gate, east side of road; 0*33ft. 

 above centre of road 349*127 



Mark on the 15th milestone from London; 0*30 ft. 

 above centre of road * 290*302 



Bolt in south-west buttress of South Mimms Church 

 tower; 1*62 ft. above sill of door, and 0*86 ft. above mark* 319705 



Mark on the 14th milestone from London; 1*64 ft. 

 above surface * 314*391 



Mark on top of west battlement of bridge ; 2*70 ft. 

 above centre of road, and 5* 10 ft. above surface of key- 

 stone* 292*979 



Mark on top of west battlement of bridge over stream ; 

 3*02 ft. above centre of road * . . 293*388 



Mark on north-east corner of the Green Dragon Inn ; 

 2*57 ft. above centre of road* 312*638 



Mark on the 12th milestone from London and 1st from 

 Chipping Barnct ; 1*73 ft. above centre of road* .. .. 353*367 



Mark on end of pipe at west side of road; 0*67 ft. 

 below centre of road * 392*889 



IMark on north-east corner of house, nearly opposite 

 Christ Church, Chipping Barnet ; 1 ■41ft. above surface* 427*613 



Mark on south comer of ilr. Jacob's house, surgeon, 

 at junction of roads, Chijiping Barnet; 2*35ft. above 

 centre of road * 43 1 -296 



• In Middlesex. 



