Direct Vision Spectroscope In Wooden Box
A simple device for the rapid qualitative examination of the composition of emission and absorption spectra. It has the principal components â?? collimator, prism, and telescope, all arranged along the same straight tube. Comprises a plated brass pipe with adjustable slit at one end for adjusting the inside amount of light entering inside, and a drawtube at the other end having eyepiece. The drawtube can be slid along its length for sharp focusing of the spectrum and is fitted with a multi-element prism causing appreciable dispersion of light without the device.
Supplier: Fruits like apples, oranges, papaya, pear, lemon, kiwi, loquat, melon, vegetables like potatoes, garlic, tomato, ginger, carrots, cucumber, pepper, onion, garments, face mask, coffee beans, windows and doors (a different kind), glasses (different of glasses), sun houses, wooden pellets furniture, pet products kids toys
Supplier: Urea n46, diesel en590 10ppm, jet fuel a1, dap, basalt fiber products, nitrocellulose centralite ii wind turbine gearbox accessories
Services: Import and export of goods and technology
Buyer: Urea 46, diesel oil en590 10ppm, jet fuel a1, dap 18 46 , crude benzene, pure benzene
Supplier: Paper products, leather products, stainless steel products, plastic products, cotton products, jute product, glass products and wooden products, etc.
Buyer: Pet products
Supplier: Paper cups, 2.5oz paper cups, ripple cups, single wall paper cups, coffee cups, tea cups, ice cream cups, pizza box, disposable cups, essential oils, rice, spices, soybean, corn, glass bottles, smoking paper, smoking pre roll cones, pre roll cones, smoking booklets, pre roll conus, smoking pre roll conus
Services: Customize/oem, freight forwarding
