US$ 10.95
a 12V LED source on a US plug
Pack of 10 Stoddard test tube clamps in stainless steel with finger grip securely holds test tubes during heating
protecting the wooden edges during daily classroom handling and extending the usable life of the measurement tool
visualizing sound-transmission dependence on a medium
Used to measure higher-current circuits up to 10 amps
1m Stainless Steel Ruler with Stamped Graduations Subcategory_Electrochemistry a 12V LED source onFor laboratory and engineering measurement without warping or chemical damage, this stainless steel one meter ruler carries stamped centimeter and millimeter graduations along its length.
US$ 10.95
US$ 29.99
US$ 21.95
US$ 29.99