![]() ![]() To ensure they are easily visible, in the bottom image I have marked three of these pinholes with a blue symbol plus the satellite securing hole for the plumb line with a lime green symbol. Pinholes are drilled at the mid-radius point for a plumb line (to accurately measure a grid bearing) with a satellite hole for securing the hole, and for each of the six Romers, plus there are four more holes for pinning the protractor to or recording its position on the map (if it is tactically safe to mark the map – use a mechanical or clutch pencil with easily erasable soft lead if it is unsafe). one inch to the mile) map scales with 100-metre markings as well as both metres and yards Romers** for the three most common map scales. In addition to a 3,200 mils arc (there are 6,400 mils in a full circle*) divided every 10mils for both bearings and back bearings, this perspex semicircle has both 1:50,000 and 1:63,360 ( i.e. ![]() It can also come in useful for accurate navigating when trekking in the great outdoors if your compass is marked in mils, as is common for many military prismatic (or Engineer’s) compasses.Ītop a Snugpak All Weather Notebook – a rubber band or two (around the closed notebook) should hold the protractor quite securely who regularly need a protractor marked in mils, this simple transparent plastic measuring instrument is likely to come in handy for other officers and NCOs who may occasionally require a non-digital backup when calculating precise positions using a map and compass. In addition to gunners, snipers / observers and JTACs / FACs etc. The primary purpose of this type of protractor, marked in mils (milliradians) rather than degrees, is to allow accurate laying of artillery and fall of shot. Invest in the ultimate map marking and range finding tool today and experience the confidence and precision it brings to your navigation.Dragon Supplies, the Colchester military kit stockists and tailors, are now selling their own branded 6-inch Royal Artillery Type Protractor, writes Bob Morrison.įed up with wholesalers running out of 6” Protractors when he needed to restock smallish quantities, Gary at Colchester’s Dragon Supplies decided to bulk buy stocks of the classic Royal Artillery MILS / METRES Mk.1 type version marked with his company logo in red. Its compact size makes it easy to carry and store, ensuring it's always within reach when you need it most.
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