Rotary Microtome Glass Flasks_Boiling Flasks Transparent-cased 2V 20Ah lead-acid accumulator

Transparent-cased 2V 20Ah lead-acid accumulator with removable handle and printed terminal markings

each plain-shanked and frequency-labeled

U-magnet and brass-rail apparatus that demonstrates the motor effect

Tulgren filter funnel constructed from borosilicate glass extracts small organisms from soil samples through heat-driven migration collection methods

Large-scale typical flower model with removable floral parts and a bisected ovary showing internal ovule arrangement for detailed botany instruction

Rotary Microtome Glass Flasks_Boiling Flasks Transparent-cased 2V 20Ah lead-acid accumulatorHeavy base with hinged cover for protecting the interior mechanism,and knife holder. A razor 120 mm made from heat treated steel and tested for Micro structure is supplied. Heavy base with hinged cover for protecting the interior mechanism,and knife holder. With every complete revolution of the drive wheel, the feed panel engaged the teeth of ratchet wheel which advances the object holder through cone and inclined plane mechanism. A safety device