You just might discover something else you really don't need. This is in'MINT' condition. This is in'BRAND NEW' condition. This is'STILL SEALED' in the'ORIGINAL PACKAGING! I believe, (Not Sure) this was used to calculate the trajectory of a fired Round or Projectile.
PICTURES: I'm showing several pictures; This is so you might get a better view ; Please incorporate, consider, & use the pictures as an integral part of the description; They should be of assistance regarding the Quality & Condition. T he pictures are showing the S lide Rule in different positions; T he one you will receive will still be SEALED in the ORIGINAL WRAPPING.THE ONE YOU WILL RECEIVE WILL STILL BE SEALED IN THE ORIGINAL PAPER WRAPPER! SLIDE RULE: This measures about 18 1/8" Long; About 3 1/2" Wide; About 3/16 Thick. SLIDING PIECE: This measures about 5 1/2" x 4 1/2" x 5/16. OLIVE DRAB CARRYING CASE: This naturally measures slightly larger.
SLIDE RULE-NOTES LEFT & RIGHT ENDS (You can see this in the pictures). Volleys Per Firing Unit At 2/3 Maximum Range.
Center Of Battery Aimed At Target Center. P=Prohibitive Over 30 Battery Volleys.E=Excessive For Specified Fraction Of Casualties. % Casualties Average Expected Fraction Of Cas. Offense First Volley 1/2 Standing 1/2 Prone - Subseq Vol's All Prone b.
Defense First Volley 1/2 Prone 1/2 Foxholes Subseq Volleys All Foxholes. SOME OF THE TEXT BETWEEN THE ENDS: Training Edition for Medium Field Artillery; Personnel In Offensive Posture; Observer adjusted.
READING: All the Text and Numbers are Very Clear, Well Defined, and easy to read. SLIDE RULE: I believe it is either WOOD or FIBERGLASS (Not Sure). SLIDING PIECE: This is CLEAR PLASTIC, WOOD, and COPPER RIVETS. CARRYING CASE: This is a Very Strong NYLON Material; Olive Drab Color.
MEASUREMENTS: This measures about 25 1/2" X 9". Mil-B-121E; Grade A, Type I, Class I; Bell Fibre Products Corp; Columbus, Georgia; Poly Kraft No.
B & B 10 88; MIL-B-117; TY-1 CL-C STY-1. This would be a very nice addition to your collection. The very next day the post office is open.A great gift for the collector in your life. Holidays and birthdays are always coming. This would make a great, NO OCCASION/SURPRISE GIFT! Maybe this item just isn't what you had in mind! Will be determined by your exact address. The item "Military US Army Slide Rule 1988 Nylon Case Tank SS Medium Field Artillery Nice" is in sale since Thursday, April 27, 2017. This item is in the category "Collectibles\Militaria\1976-89\Original Period Items".
The seller is "johnnyboystore" and is located in Mays Landing, New Jersey. This item can be shipped worldwide.