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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
17 motor faders (16 channels + 1 master)
Colour related rounded safety corners and concealed corner fixing
Teacher's Guide included
Supplied in plastic storage case
SILVA ANALOGUE MECHANICAL MAP MEASURER Numeracy/Fractions 17 motor faders (16 channelsThe 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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