The adult massasauga, also known as the swamp rattler, is a stout-bodied snake with a broad head. It measures 18-40 inches (45-100 cm) in length. Average length is 27.5 inches (70 cm).assasauga rattlesnakes range from central New York and southern Ontario west to the prairies of Iowa and Missouri. The eastern massasauga is strongly associated with wetlands across most of its range. Wet prairie is the preferred habitat in the west, bogs and swamps in the east.
Zeptometer is a length measurement unit. A zeptometer (zm) is a derived metric measurement unit of length. The metric unit prefix zepto means one sextillionth, or one (1) with twenty (20) nulls in front of it, i.e. 0.000,000,000,000,000,000,001 or 1Ã10 -21. That makes one zeptometer equal to one sextillionth of a meter.
The Bostwick Consistometer is a simple, dependable instrument which determines the consistency of various materials by measuring the distance which a sample flows under its own weight.xtra Long 30cm Bostwick Consistometer has 60 x 0.5cm graduations. Bostwick Consistometer. The unit is constructed of stainless steel and is equipped with two levelling screws and a level. The gate is spring operated and held by a positive release mechanism, permitting instantaneous flow of sample.