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 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 that IBM was developing for that architecture. SIMMON was first described at the IBM "SimSymp 1968" symposium, held at Rye, New York. SIMMON was a hypervisor, similar to the IBM CP-40 system that was being independently developed at the Cambridge Scientific Center at about that same time. The chief difference from CP-40 was that SIMMON supported a single