In 1987 John Lightfoot was developing an idea in conjunction with Sunderland Shipbuilders, to design a roller blind that could replace solid Perspex anti-glare screens that were hung or placed in front of a vessel's wheelhouse windows to help protect [...]
ໃນ 1987 John Lightfoot ໄດ້ພັດທະນາຄວາມຄິດພ້ອມກັບ Sunderland Shipbuilders ເພື່ອອອກແບບຕາຫນ່າງມ້ວນທີ່ສາມາດທົດແທນຫນ້າຈໍປ້ອງກັນແສງສະຫວ່າງ Perspex ທີ່ຖືກຈັບຫຼືວາງໄວ້ຢູ່ຫນ້າປ່ອງລົດຕູ້ຂອງເຮືອເພື່ອຊ່ວຍປົກປ້ອງ [... ]