Computation of time

LDR 00753cam a2200229u 4500
001 100128359
003 MiAaHDL
005 20140127000000.0
006 m d
007 cr bn ---auaua
008 811204s1879 pau 000 0 eng
010 ‡a 06008675
035 ‡asdr-ia-loc6333723
035 ‡9(DLC) 06008675
040 ‡aDLC ‡cCarP ‡dDLC
050 0 0 ‡aCE73 ‡b.B72
100 1 ‡aBonsall, Spencer. [from old catalog]
245 0 0 ‡aComputation of time.
260 ‡a[Philadelphia?] ‡bCollins, printer ‡c[1879?]
300 ‡acover-title, [32] p. 25 cm.
538 ‡aMode of access: Internet.
650 0 ‡aCalendars.
650 0 ‡aTime ‡xSystems and standards.
700 1 ‡aWillcocks, Alexander. [from old catalog]
CID ‡a100128359
DAT 0 ‡a20120524152119.0 ‡b20140127000000.0
DAT 1 ‡a20140212130657.0 ‡b2014-02-19T21:50:03Z
DAT 2 ‡a2014-02-19T21:00:04Z
CAT ‡aSDR-IA-LOC ‡dUNKNOWN ‡lloader.pl-003-012
FMT ‡aBK
HOL ‡0sdr-ia-loc6333723 ‡aloc ‡bSDR ‡cILOC ‡ploc.ark:/13960/t7hq54n53 ‡sLOC ‡16333723 ‡8ia.computationoftim00bons
974 ‡8ia.computationoftim00bons ‡bLOC ‡cILOC ‡d20140219 ‡sia ‡uloc.ark:/13960/t7hq54n53 ‡y1879 ‡rpd ‡qbib ‡tUS bib date1 < 1925