The Ishihara test is the most well-known color blindness test all around the world. it consists of 38 so called pseudoisochromatic plates, each of them showing either a number or some lines. according to what you can see and what not, the test gives feedback of the degree of your red-green color vision deficiency. this test can only be used to detect red-green color blindness. how the test works: for each plate you have to either enter the number or you have to choose the number of lines you can see. if you don’t see anything just leave the input field empty.
Labline LBL-151/T5 Five-Head Teaching Microscope allows up to five users and is perfect for teaching purposes and simultaneous observation of specimens. This teaching / biological microscope, it is designed for college teaching and hospital. It is the original style which can upgrade to other microscopes, like polarzing microscope and fluorescent microscope. The features of steady structure, convenint operation and clear image is suitable for observing various biological specimen, and mostly applied in college and hospital.
The AWS Student Kymograph is very reliable instrument for use in the study of physiology, pharmacology and Biological Science. There are two instrument model available and each is provided with a series of advance features. The instrument are available with or without stimulator. There is a range of accessories two suit most applications. Illustrated with the kymograph below is one suggested kit or assembly of the more popular accessories.
The Stethograph is designed for recording human respiratory movement with a recording device such as a tambour or transducer.
The corrugated rubber tubing is 200mm (8 inch) long and 35mm (13/8 inch) diameter. A nickel-plated chain 850mm (34 inch long, is secured at one end of the Stethograph, and may be secured at any point to a hook at the opposite end. In this manner the Stethograph may be placed in a convenient, yet unyielding, way on the subject.
At one end of the Stethograph is riffled tube with an inside diameter of 3mm (1/8 inch), for connection to the tambour or the recoding device,
Stethograph
Stethograph and Tambour :
The combination of these two items is used to record respiratory patterns, i.e rate, rhythm and amplitude during conditions :During * Talking
* Swallowing
* Speaking
* After Walking
* Breath Holding
* Hyper Ventilation
Use the Frontal Writing Point with Aluminum Stem and fixed the Kymograph Speed No: 3. and normal respiration, using two sets it is also possible to study chest and abdominal movements simultaneously under a variety of circumstance. (See drawing below).
Abdul Wahab & Sons provides advanced scientific and medical education solutions, including VR/AR, holograms, 3D Anatomy Tables, and PowerLab systems. AWS serve hospitals, research labs, medical schools, and universities with precision instruments, skill labs, and immersive learning tools empowering the future of healthcare and science.
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