Bubble in tube indicating type, two tubes; scale range data, 0 to 5 degrees each side of zero, 1/10 degrees smallest graduation, numerical marking each 10 deg, accurate to within 1 deg, 0 to 15 degrees each side of 0, 15 min. Smallest graduation, numerical marking each 5 deg, accurate to within 1 deg; mounting base data, rectangular shape, steel, 14-5/8 in. Lg over-all, 6-5/8 in. H over-all
