Sewing kit A sewing kit is a kit which contains devices and materials to carry out the sewing process. The kit should have one semi automatic sewing machine, few sets of assorted needles and few colour spools. Sewing machine is the most complex part of the kit. It has many components such as:- 1. Feed …
A telescope is a tool that astronomers use to see faraway objects. They work by using curved mirrors to gather and focus light from the night sky. Earlier lenses were preferred for this purpose, but nowadays, mirrors are preferred more. It’s because mirrors are lighter, and they are easier than lenses to make perfectly smooth. …
DIY paper microscope A microscope is an optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells, typically magnified several hundred times. For ATL purposes, we’ll use a simple DIY paper microscope, which can be assembled by the user itself. Specifications Magnification 140X Resolution ~2 micron Back focal …
A multimeter is a device which can be used to measure multiple properties of an electrical setup such as voltage, resistance and current. It serves as a single device which can be used as a voltmeter, ammeter and ohmmeter, which is why it is also referred to as volt-ohm-milliammeter (VOM). There are few multimeters that …
Many times, it is required to check if there’s voltage coming in a line or not, mostly while making electrical connections or repairing electrical appliances. That is where a tester comes into play. Looking like a screwdriver, it is used to determine if there is any sort of voltage or not. There are two types …
A spirit level is a device consisting of a sealed glass tube partially filled with alcohol or other liquid, containing an air bubble whose position reveals whether a surface is perfectly level. The level is found to be exactly vertical or exactly horizontal if and only if the relevant tube bubble is in the centre …
Vernier calliper is a measuring device which is used to reach much more accuracy and precision as compared to a normal ruler. It is very useful for measuring small materials where the measurement needs to be accurate. It can also be used to measure the depth and breadth of materials. Earlier the callipers required to …
Stainless steel ruler A ruler is a very common stationary and industrial essential which is used for taking measurements and drawing lines along them. A common stainless steel ruler has two measurements written on it, in inches and centimetres. On one side you can find the measurements in inches, and on the other side they’re …
A measuring tape is a very handy and useful tool which can be used for measurement purposes and for longer measurements that are generally not possible through rulers. A tape measure or measuring tape is a flexible ruler used to measure size or distance. It consists of a ribbon of cloth, plastic, fibreglass, or metal …
A heat gun is a machine that blows heated air. It is used to mould things, soften materials and provide heat. It can be used to remove oil paint from the walls, melt down the water in frozen pipes during winters in extremely cold places, or repair furniture. In dual temperature heat guns, they’ve two …