![]() ![]() Parchment and Vellum were used to create scrolls or books containing high status documentation long before the invention of synthetic papers. The Vellum would also be treated with a variety of different solutions to make it smoother, Whiter and to prevent the ink from running thus making the finished scripts more aesthetically pleasing. Once the skin had been soaked and dehaired it would then be put onto a wooden stretching frame to stretch, smoothen and dry out the skin and prepare it to the correct thickness. ![]() The dehairing process could take up to a week, if not more depending on the concentration of the solution and other factors such as temperature. The skin would then have to be soaked in water for 24 hours to rid it of any dirt, grime and blood before it would be transferred to a solution made up of liquor from rotten and fermented vegetables, often included lime juice, in order to rid the skin of any hair. ![]() The manufacturing of Vellum was a lengthy process that started with the skinning of the calf. Whilst parchment generally referred to a material made from sheep and, occasionally, goat skin, Vellum was noted to be a finer quality product made specifically from calf skin instead, that has been dried and stretched into a strong, smooth and incredibly valuable writing material. Well, from historic times, Vellum was the term given to a parchment like product made from animal skin. We all have an idea in our heads about what we mean when we refer to a product as 'Vellum', however that can vary significantly amongst different companies and specialists. Rugged metal frame, deluxe padded shoulder straps and waist belt as well as an extra-large carrying handle.Ĭompatible with several removable nozzle types (including premium TeeJet nozzles).The word 'Vellum' is a common term used regularly amongst paper and card specialists, however it doesn't often seem to refer to any specific type of paper. Large-diameter tank-opening for easy filling and cleaning. Viton seals in key locations for superior chemical-resistant performance.Īdjustable pressure regulator with four settings.Ĭommercial-quality valve with lock-on/lock-off lever. Heavy-duty, high-performance diaphragm pump for wettable powder, liquid formulations and even undiluted bleach solutions.īreak-, corrosion- and ultra-violet-light-resistant HDPE tank. Featuresīuilt for comfort, built for convenience, built to last. Sprayer/Hose/Nozzle Type: Sprayer Sprayer/Nozzle Type: Adjustable Brass Nozzle Adjustable Plastic Nozzle Brass Fan Nozzle Hollow Cone Nozzle Jet Stream Nozzle Nozzle/Sprayer Settings: 15 PSI 30 PSI 45 PSI 60 PSI Off Hose Length: 48". Several removable nozzle types (including premium TeeJet nozzles) can be attached to the unbreakable wand so that you can tailor its performance to your chosen task. A large-diameter top opening enables easy filling and cleaning, and an extra-large carrying handle with an attached wand retainer allow for convenient transport and neat storage. Deluxe, adjustable padded shoulder straps and waist belt provide the support required for safe and comfortable use. A lock-on/lock-off lever located on the commercial-quality valve helps operators minimize the potential for "trigger-finger fatigue." Rugged metal frame delivers rock-solid stability. Adjustable pressure regulator provides four output settings, with the widest possible range, to ensure that users have what they need to get the job done right. Viton seals in key locations ensure superior chemical-resistance for long-lasting, leak-free performance. Superior to metal regarding both break and corrosion resistance, its ultra-violet-light-resistant HDPE tank features an extra-large capacity and a translucent color, allowing you to cover more ground while making it easy to monitor remaining product levels. Heavy-duty, high-performance diaphragm pump accommodates wettable powder, liquid formulations and even undiluted bleach solutions. Built for comfort, built for convenience, built to last470 Professional Series Backpack Sprayers stand out with a flexible, ergonomic design that makes them ideal for virtually any spraying task, from the largest to the smallest.
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