![]() Studiensammlung im Stadtmuseum Schlössli Aarau,” W. AG,” Virtual Archive of Wild Heerbrugg, “Kern & Co. References: Juerg Dedual, “Milestones of Kern & Co. (1836–1916), and donated by his granddaughter, Margaret van D. This protractor was owned by the renowned American designer of steam engines, Erasmus Darwin Leavitt Jr. In 1909, Keuffel & Esser sold a similar protractor in a mahogany case for $19.25. The arm was lengthened and squared off in versions sold in the 20th century. The arm also has a blade-like extension three inches long. The number 8 is stamped on the back of the vernier arm. A movable arm attached to the center contains a vernier scale that allows the user to read angles to one minute of arc. A center cross-plate, or horncentre, contains crosshairs to assist with placing the protractor on a drawing. It is graduated along the outer edge to one-quarter degree and engraved by tens from 350 to 0 to 190 in both directions, from left to right and from right to left. The protractor is made of German silver, also called nickel silver. Former employees ensured that 1,700 objects were preserved as the Kern Collection in the city museum of Aarau, Stadtmuseum Schlössli Aarau. merged with the Wild Leitz group in 1988, and the plant in Aarau closed in 1991. Its products can be found in the catalogs of many 20th American manufacturers and retailers. in 1885, the firm was highly regarded for its craftsmanship. The maker’s mark indicates the protractor was produced between 18 in the workshop founded by Jakob Kern (1790–1867) in Aarau, Switzerland. The case is in very poor condition, but it was originally covered with thin leather and lined with purple velvet. Open URL in different browser using batch file.Kern Semicircular Protractor Description This semicircular protractor is housed in its original wooden fitted case.Test case for button,password,forms,links.How to install protractor and configure?.Protractor: How to read excel file in node.js?.Code to perform Image comparison in protractor.Protractor: Script execution using custom command.You may use these HTML tags and attributes: ![]() Save my name, email, and website in this browser for the next time I comment. Your email address will not be published. Selenium has wide support of browsers compared to protractor. Selenium is in the market from long time so it has many user base and helping communities. Providing xpath should be defined for extra locators of angular application and waits should be defined. ![]() Selenium works fine with angular applications as well. If you are not looking for above advantages then it is better to go with selenium. Robot class support is not there in Protractor It don’t have much support on other browsers. Running automation script in multiple machine is achieved in easy way in protractor. Image comparison is very easy in protractor and it works great. It supports behavior driven frameworks jasmine, mocha, cucumber etc. If your application is angular based then it is better to go with protractor. It has default waits which waits for angular which is not present in selenium webdriver. It has extra locators compared to selenium webdriver those are model,repeater, binding etc. Hence all the capabilities of webdriver are supported in protractor. Protractor runs on top of the selenium webdriver.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |