Bob Pendulam With Hook

DESCRIPTION :-
– Packet of 100 leaves
– Range 8-5 color change blue to red
– Bases keep blue litmus paper blue (no change)
– Acids turn blue litmus paper red
– Neutral substances keeps blue litmus paper blue (no change)

DESCRIPTION :-

– Packet of 100 leaves, range 5-8 color change red to blue
– Bases turn red litmus paper blue
– Acids keeps red litmus paper red (no change)
– Neutral substances keeps red litmus paper red (no change)
– In the picture above, you can see the change in color when red litmus paper is dipped in a base.

DESCRIPTION :-
– Range 0-25 x 0.01mm,
– Supplied with a protective case, Ratchet of iron/steel.
– Made of nickel-plated brass with ratchet top.
– Accurately machined stainless steel rod with range 0-25 x 0.01mm.
– Lock type.
– For outside measurements up to 25mm.
– Supplied in plastic case.
– Precision: 1/100mm.