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عرض 1651–1665 من أصل 2204 نتائج
A set of 10 models showing all the stages of karyokinesis and cytokinesis from metabolic cell to the formation of two daughter nuclei. All stages are mounted on a board, with key card
A simplified and smaller set of 6 models.
Each plate is fitted with a 4 mm socket terminal.
Range 125 x 0.5 kg.
Platinum wire or foil fused into glass rod with internal lead, with rubber stopper and glass protection tube, per pair
Platinum wire of about 2 ohms resistance, non inductively wound on a mica frame with copper leads, together with a pair of compensatory leads, all being connected to 4 mm socket terminals, for temperatures up to 150 °C.
Platinum wire fused into glass rod, protected in a glass tube
Both sides glass, with needle pivoted between top and bottom glass plates, diameter 20 mm.
In aluminium case, with card dial
A miniature test 2 mm plugs.
Body: ABS Contact: Brass, nickel plated. Current Rating: 5 A DC Max. Colours: Red, Black, Yellow, Green, Blue and Grey
Two brass blocks with 4 mm insulated terminals are mounted on a moulded base, an accurately tapered plug with a fluted top fits into the tapered hole between the two blocks, ensuring very low contact resistance.
With three brass blocks, each with a 4 mm insulated terminal.
4mm, with screw connection for wire and 4mm transverse hole for extra connection, moulded in flexible plastic.
