Light Industrial
　Division
 
　 Microscope
　 Projector
　 Balance
　 Chemical Instrument
　 Measuring Instrument
　 Mechanical Apparatus
　 Static Electricity &
　　Current Apparatus
　 Electromagnetic &
　　Electronic Apparatus
　 Vibration & Wave
　　Heat Apparatus
　 Optical & Atomic
　　Physical Apparatus
　 Biological Model &
　　Specimen
　 Model of Anatomic
　　Body
　 Prepared Slides
 
Educational Materials ！！ Vibration and Wave Heat Apparatus
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YS4014
Gasoline Engine Model
Travel of piston :38mm
Light indication for air intake ,exhaust and ignition
Integrated piston and crank shaft press casted aluminum alloy body		 YS4015
Diesel Engine Model
Press casted aluminum alloy body
Light indication for air intake, exhaust and oil ejection
YS4016
Gas law Demonstrating Apparatus
To prove Boyle's-Mariotte's law,Charles' law,Gay-lussac's law and equation of ideal gas form
This apparatus is free from mercury and composed of gas column glass tube ,pressure gauge,volume scaleplate and fixing clamp,etc.
Volume variation of air column to be measured: 0.75-4 unit
Variation of temperature: 0≧--100≧
Variation of pressure intensity: 0.5〜105Pa--2〜105Pa (0.5kgf/cm2-2kgf/cm2)

Gas law Experimental Device
To prove Boyle's-Mariotte's law and equation of ideal gas from
Free from mercury		 YS4017
Metal linear Expansion Demonstrating Apparatus
To demonstrate that different metals have different linear expansibilities when they are warned up to the same temperature
In general,it consists of 3 heating rods with the same length, made of aluminum,copper and iron respectively.Afer warming up,the pointers give different indications
YS4018
Volume Expansion
Demonstration Apparatus (Vertical type)		 YS4019
Solid Cold Force Demonstrating Apparatus
For demonstration of thermal expansion and cold contraction phenomenon. Consisting of cast iron seat and carbon steel bar.
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