Pointed letters in Noah Webster's 1828 American dictionary of the English language, with ꞓ representing the letter 'c' when pronounced as a k.
In 19th-century American English dictionaries such as those by Noah Webster and William Holmes McGuffey, the letter was used to denote ⟨c⟩ pronounced as /k/.[7]
In the old-fashioned Rousselot-Gilliéron phonetic notation, at the beginning of the 20th century, letter ꞓ used to represent the English sh-sound and the IPA [ʃ] sound.
Computer encoding
Its Unicode codepoints are U+A792ꞒLATIN CAPITAL LETTER C WITH BAR and U+A793ꞓLATIN SMALL LETTER C WITH BAR.
↑Материалы I всероссийской конференции по развитию языков и письменности народов Севера (3000 экзed.). М.-Л.: Учпедгиз. 1932 – via Я. П. Алькор (Кошкин), И. Д. Давыдов.
↑Р. Додихудоева (2005). "Из истории письменности шугнанского языка. Вводные замечания". Языки и этнография «Крыши мира». СПб.: Петербургское Востоковедение. pp.30–37.
↑Priest, Lorna A.; Iancu, Laurentiu; Everson, Michael (14 October 2010). "Proposal to encode C WITH BAR"(PDF). Unicode.org. Retrieved 23 February 2018.