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2. Chopper (archaeology) - Wikipedia

   en.wikipedia.org/wiki/Chopper_(archaeology)

   To create this tool, one would have to use a hammerstone to chip away flakes on the stone to create a side of the stone with a very sharp edge, allowing for the cutting and hacking of an object. This is a unique type of lithic reduction, as only a single side of the stone is retouched to produce the cutting surface of the stone. The side that ...

3. Antique tool - Wikipedia

   en.wikipedia.org/wiki/Antique_tool

   The American history of hay cutting tools begins with the reaping hook. Its slender, ultra sharp, half circle blade was employed in cutting grass for hay and it took some skill to use successfully. By the late 1800s the less artful sickle became the hay cutting tool of choice.

4. List of earliest tools - Wikipedia

   en.wikipedia.org/wiki/List_of_earliest_tools

   Hominin remains, shell tool cut marks on bone Socotra Island [47] 2.5–1.4 Socotra Island: Indian Ocean: H. erectus (presumed) Stone tools Oldowan stone tools. May very well be earliest evidence of seafaring. Kozarnika, Dimovo Municipality [48] 1.4-1.6 Bulgaria Eastern Europe H. erectus (associated) Stone tools, hominin remains, cut marks on bone

5. Chopping tool - Wikipedia

   en.wikipedia.org/wiki/Chopping_tool

   Chopping tools. In archaeology a chopping tool is a stone tool. Stone tools are usually dated by determining the age of the find context e.g. by carbon-14 dating and potassium–argon dating. The oldest stone tools are about 3 million years old. Chopping tools mainly occur in the Olduwan (2.9 to 1.6 million years ago).

6. Lithic technology - Wikipedia

   en.wikipedia.org/wiki/Lithic_technology

   The earliest stone tools to date have been found at the site of Lomekwi 3 (LOM3) in Kenya and they have been dated to around 3.3 million years ago. [1] The archaeological record of lithic technology is divided into three major time periods: the Paleolithic (Old Stone Age), Mesolithic (Middle Stone Age), and Neolithic (New Stone Age).

7. Plug and feather - Wikipedia

   en.wikipedia.org/wiki/Plug_and_feather

   The stone is first examined to determine the direction of the grain and to identify any potential defects. After the location of the intended split is chosen, a line is scored on the surface of the stone. A number of holes are then cut or drilled into the stone face along the scored line approximately 10 to 20 centimetres (3.9 to 7.9 in) apart.

8. William Hunt and Sons - Wikipedia

   en.wikipedia.org/wiki/William_Hunt_and_Sons

   Around 1793, Hunt took W. Cliffe into partnership, and for a short period the firm was known as Hunt and Cliffe: this name appears in the company's first ledger, dated 9 May 1794. This partnership dissolved around 1803, and Hunt continued trading on his own account until 1809, when he took his sons into partnership and the firm became known as ...

9. Stonemasonry - Wikipedia

   en.wikipedia.org/wiki/Stonemasonry

   Massive precut stone is also known as "prefabricated", or "pre-sized" stone is a modern method of building with load-bearing stone. [22] Precut stone is a DFMA construction method that uses large machine-cut stone blocks with precisely defined dimensions to rapidly assemble buildings in which stone is used as a major or the primary load-bearing ...