Postage stamps and postal history of Guernsey Postage stamps and postal history of Guernsey The first postal service took place using mail sent with captains of packet ships, using agents in the England and in the islands for the end delivery. The cost was normally 3d. The first pillar boxes in Britain were introduced in the Channel Islands as an experiment in 1852, to collect mail for the Royal Mail packet boats. The oldest pillar box in use in the British Isles is in Guernsey. The first postage stamps printed for use in Guernsey were issued during the occupation of the island during World War II. In
SIMMON and delay I/O events, these would appear to the guest program as happening unnaturally quickly. Programs under test -- so-called "guest programs" -- had to be capable of stand-alone operation on the bare hardware. SIMMON provided services for the test tools, but not for the guest. These were some of the programs that had been tested using SIMMON: SIMMON SIMMON (SIMulation MONitor) was a proprietary software testing system developed in the late 1960s in the IBM Product Test Laboratory, then at Poughkeepsie, N.Y. It was designed for the then-new line of System/360 computers as a vehicle for testing the software