Premium Horizontal Strata Erosion Model, 24 x 16 x 5.5" Gifts_Bar the wider half-disc face extending

the wider half-disc face extending the available beam-entry zone for refraction and total internal reflection investigations

Pack of 12 metal lattice support clamps fitting rods up to 12

Red LED on a demonstration base with 4mm plug connections

One-amp AC scale on a 315x115mm laminated panel with sealed shunt

Insulated 2mm-plug lead in the small-scale lead family

Premium Horizontal Strata Erosion Model, 24 x 16 x 5.5" Gifts_Bar the wider half-disc face extendingHorizontal strata model of the Grand Canyon and Grand Staircase region on a 24 inch wooden base, identifying 27 geologic features from Bryce Canyon to the Tapeats Sandstone.