Description
a lamp house
Cross wires set inside a 10mm aperture on a 75mm circular black metal screen
this dual-cell model pairs plant and animal cells side by side to highlight cell wall
and craniofacial anatomy teaching
0280 24 23/24 0
Jolly's Photometer for Optical Bench Subject_Chemistry a lamp houseUsed to compare two light sources by sliding them until both faces of a paraffin block appear equally lit, this Jolly's photometer turns the inverse square law into a measurable observation.
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