Military Vernier Training – 58"x9" Survey/Artillery Instruction, WWII-Era Style

A Rare Find.

This rare and oversized military training aid was designed to teach range estimation, angle of fire, and vertical interval calculations—essential skills for artillery, CBRN, and forward observer operations:

- Type: Vernier-style analog range and angle calculator
- Material: Heavy-duty board (wood)
- Dimensions: 58" W x 9" H
- Features:
- Inserts are reversible so the other side can be shown, our photos show the view from both sides out.
- TAG (Target Angle of Gun) and TBG (Target Bearing Grid) scales
- Range intervals in yards and meters
- Site and Vertical Interval (VI) reference scales
- Color-coded numerical markings for instructional clarity
- Use Case:
- Military classroom or field instruction
- Artillery, mortar, or CBRN training
- Collector’s display or educational reference
- Condition: Used – shows age-appropriate wear; all markings legible
- Era: Likely Cold War or Vietnam-era (verify if dated or marked)
A unique and functional artifact from military technical education—ideal for collectors, educators, or historical reenactors.