Brass Alidade Compass Bubble Level and Survey Telescope Theodolite
Surveyors would align the compass and use this item to measure both vertical and horizontal angles for extremely accurate measurements while developing their topographical maps.
Brass Alidade Compass With Telescope And Bubble Level.
Solid brass alidade has 6" arch with 3 3/4" magnitic compass.
Compass needle is adjustable. On the arch 8" fully extended telescope is mounted wth bubble level.
Alidade is mounted on brass metal base which has 3 adjustable screws.
Nice quality reproduction for surveyours to align and measure vertical and horizontal angles.
Display Item Only - Not for Accurate Measurements
Dimension: 14.5 L x 8 H inches