Chesterman No 369 Vernier Height Gauge 14'' & 360 mm in original box.
It features both imperial measurements up to 14 inches and metric measurements up to 360mm for accurate height measurements.
There is a bit of corrosion / toning on the bottom of the base, on the clamp arm tongue and on the vernier scale about a quarter of the way up on the metric scale, does not affect the readings.
Also on the 1” datum block.
Other wise in fairly good condition for its age.
Plus instructions,
Please see all photos for condition, I’ve tried to capture all if more photos or information is required please contact me.