Gogo Digital Tally Counter - Count Up & Down by hiphen Product Description Digital Tally Counter, Electronic Counter Clickers, Count Up & Down Product description Count up and down. Add or subtract. This small size GOGO electronic tally counter has both plus (+) and minus (-) buttons! The unique ability of this hand counter to do reverse count, makes...
Mercury Sphygmomanometer IN NIGERIA BY SCANTRIK MEDICAL SUPPLIES Mercury sphygmomanometers are considered the gold standard for measurement of blood pressure. They indicate pressure with a column of mercury, which does not require recalibration. Because of their accuracy, they are often used in clinical trials of drugs and in clinical evaluations of high-ris...
