Original British Victorian Navy Parallel Ruler for Charts by Army & Navy C.S.L. in Wooden Case c. 1870 Russian Air Force Most escape compasses were very

Most escape compasses were very small and of rudimentary design

posed and captioned portraits by company

but wartime exigencies forced its elimination

original waistband and cuffs

475 were killed in action

Original British Victorian Navy Parallel Ruler for Charts by Army & Navy C.S.L. in Wooden Case c. 1870 Russian Air Force Most escape compasses were veryOriginal Item: Only One Available. Here we have a very nice British Victorian Era Parallel ruler, as used by the Royal Navy. The ruler measures 18 1 4" x 2 1 2" and is relatively heavy, being made entirely of brass, and is intended for use on Naval Charts. It has two linked roller "wheels" built into it, so that it can be easily moved parallel to its previous position, a very useful feature when dealing with maps. The ruler is in very good condition,