1. Canada balsam was also commonly used for making permanent microscope slides.2. The layers of glass were bonded together by Canada balsam . 3. Another important application of Canada balsam is in the construction of the Nicol prism. 4. Canada balsam is placed between the two layers.5. Canada balsam was traditionally used for this purpose.6. Canada balsam is amorphous when dried.7. Canada balsam and Balsam of Peru are often used to increase flow and improve mixing properties.8. Based on petrol, it was also significantly easier and less expensive to produce than Canada Balsam . 9. The refractive index for Canada balsam is in between the refractive index for the ordinary and extraordinary rays. 10. Traditionally Canada balsam was used as the cement in assembling these prisms, but this has largely been replaced by synthetic polymers.
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