Premium Horizontal Strata Erosion Model, 24 x 16 x 5.5" Gifts_Bar applying tension to material strips

applying tension to material strips until failure for breaking-strain and tensile-strength measurement in materials-science work

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

the heaviest specimen in the series at 11

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

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

Premium Horizontal Strata Erosion Model, 24 x 16 x 5.5" Gifts_Bar applying tension to material stripsHorizontal 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.