EKG Ruler, features are Seconds scale for PR, QRS, Cycle, Length, Coupling, Escape, and Parasystolic Intervals, Offers both 1 and 2 cycle scales, small enough to fit in a medical coat pocket, Complete with protective sleeve, Size: 1 11/16 x 6 3/8 in
Game Metric Units Measureme Learning Center-Grade 3-5, features a Curriculum Mastery Game with 30 illustrated, topic-specific question cards; 1 laminated game board; and materials for four players; 4-panel guide, Write-On/Wipe-Off activities
Game Geometry Measurement Learning Center-Grade 3-5, features a Curriculum Mastery Game with 30 illustrated, topic-specific question cards; 1 laminated game board; and materials for four players; 4-panel guide, Write-On/Wipe-Off activities
Stopwatch, Water-resistant stopwatch with lanyard features split and cumulative time modes, 1/100th second increments, calendar/date display, and an alarm.
Capacity: 1.0ml. Subdivision: 0.1. Color Code: Red. Colored enameled graduations. Sharp, fine lines provide accurate reading. Large numbers. Calibrated to deliver without blowout. ASTM E-1293.
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