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making it a versatile option for various classroom setups or rehearsal spaces
The sensing clip (pleth) can be attached to a finger or ear lobe to measure either blood flow (pulse waveform) or heart rate (beats per minute)
Reusable tub of 3 assorted sizes of steel safety pins
Colour related rounded safety corners and concealed corner fixing
SILVA ANALOGUE MECHANICAL MAP MEASURER Numeracy/Fractions making it a versatile optionThe Silva Mechanical Map Measurer is an analogue measurer with pointer; just wheel along the route to measure the distance. Scales: 1: 750k, 1: 500k, 1: 400k, 1: 200k, 1: 100K, 1: 25K, 1: 15K
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