Submitted by gpmatthews...
This is a transverse section of a stem in polarised light.
It is an old slide. The handwritten label looks like Sequiselum spp.
Projectina microscope
Objective: Watson x4 parachromat
Ocular: Watson x8 compensating
Tope lens of substage condenser removed.
Polarised light
TS of plant stem...gpmatthews
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