DIAL: Non-glare precsion scale.
DIMENSIONS: Diameter 7", Height 3-7/8", Weight (with case) 4 lbs.
CARRYING CASE: Instrument contained in handsome reinforced leather carrying case with hand & shoulder straps, designed for rugged field service.
EXTRAS FURNISHED: Magnifier, Pocket Thermometer.
MANUAL: All useful modern Altimeter Survey Procedures fully described. Included are examples of surveys in each case, along with much other helpful information. Manual supplied with each new instrument.

MODEL M-I (Code Word: MICRO) Range 6,000 feet (-1,000' to + 5,000') in intervals of 1 foot.
MODEL M-I-6 (Code Word: CONTOUR) Range 6,000 feet (0' to +6,000') in intervals of one foot.
MODEL M-IS (Code Word: HILO) Range 6,000 feet (-2,500' to +3,500') in intervals of 1 foot.
MODEL M-2 (Code Word: RANGER) Range 10,000 feet (0' to 10,000') in intervals of 2 feet.
MODEL M-5 (Code Word: EXPLORER) Range 15,000 feet (0' to +15,000') in intervals of 5 feet.
MODEL MDM-5 (Code Word: DECIM) Range 2,600 meters (-100 m to +2,500 m) in intervals of 1/2 meter.
MODEL MM-1 (Code Word: METRIC) Range 5,000 meters (0 m to +5,000 meters) in intervals of 1 meter.
MODEL PAB-2 (Code Word: ALBAR) Altitude Range -760' to +3,600' 2 foot intervals. Pressure Range 26.30" to 30.85" Hg. .002" intervals.
MODEL PAB-5 (Code Word: BARAL) Altitude Range -900' to +9,700' 5 foot intervals. Pressure Range 21" to 31" Hg. .01" intervals.