Various sensors can be attached to (or included in) multimeters to take measurements such as: 1  light level. 2  sound pressure level. 3  acidity/alkalinity(pH) 4  relative humidity. 5  very small current flow (down to nanoamps with some adapters) 6  very small resistances (down to micro ohms for some adapters)
The 1800s: Modern Golf Takes its Form: The 19th century is considered by many to be the period when the truly modern game emerged. The changes that primarily spurned this modernization were to the equipment of the game. Up to 1848, golf balls, as previously stated, were featheries, made of feathers and leather.
Starting with paper then cork and rubber. The worldâs first patented golf tee was invented by two Scots: William Bloxsom and Arthur Douglas. Their patent document is dated 1889 and describes a small rubber plate with a raised ball support in the form of upright prongs or a hollow cylinder.