Original British Victorian Navy Parallel Ruler for Charts by Army & Navy C.S.L. in Wooden Case c. 1870 Russian Air Force largely for the use of

largely for the use of U

475 were killed in action

but wartime exigencies forced its elimination

with brown leather that was dyed black per instructions from the Wehrmacht

Most escape compasses were very small and of rudimentary design

Original British Victorian Navy Parallel Ruler for Charts by Army & Navy C.S.L. in Wooden Case c. 1870 Russian Air Force largely for the use ofOriginal 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,