LEADER 00000nam 2200193 a 4500 001 0598030 003 UkHlHU 007 t 008 002903 2 1929 000 eng 040 UkHlHU 050 4 TA 545 H6 100 0 Hinks, A.R. 245 00 Wireless time signalfor the use of Surveyors. 250 3rd edition. 300 0000p. 650 0 Survaying.
