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[3] [4] The term for telescopes persisted even in the 20th century, with a telescope listed in the 1909 Sears Roebuck catalog of having 25 lignes diameter aperture, or about 56 mm (5.6 cm). [5] The measurement SPI (Stitches per inch) for leather pricking irons and stitch marking wheels also commonly uses the Paris inch instead of the Imperial inch.
It was 1 ⁄ 6 of a ligne or 1 ⁄ 864 of the smaller French foot. ligne: 1 ⁄ 144: 2.256 mm 88.81 thou 1 ⁄ 12 of a pouce. This corresponds to the line, a traditional English unit. pouce: 1 ⁄ 12: 27.07 mm 1.066 in 1 ⁄ 12 of a pied du roi. This corresponds to the inch, a traditional English unit. pied du roi: 1 32.48 cm 1.066 ft
[4] Decimal time was introduced in the decree of 5 October 1793 under which the day was divided into 10 "decimal hours", the "hour" into 100 " decimal minutes" and the "decimal minute" into 100 "decimal seconds". The "decimal hour" corresponded to 2 hr 24 min, the "decimal minute" to 1.44 min and the "decimal second" to 0.864 s.
The standardized conversion for a ligne is 2.2558291 mm (1 mm = 0.443296 ligne), [4] and it is abbreviated with the letter L or represented by the triple prime, ‴. [5] One ligne is the equivalent of 0.0888 international inch. This is comparable in size to the British measurement called "line" (one-twelfth of an English inch), used prior to ...
Because of the identity property of multiplication, multiplying any quantity (physical or not) by the dimensionless 1 does not change that quantity. [5] Once this and the conversion factor for seconds per hour have been multiplied by the original fraction to cancel out the units mile and hour, 10 miles per hour converts to 4.4704 metres per second.
4.804 US fl oz fluid ounce: once fluide: 1 ⁄ 160 gal 28.4130625 mL 0.9608 US fl oz fluid dram: drachme fluide: 1 ⁄ 8 fl oz 3.5516328125 mL 0.1201 US fl oz cubic yard yard cube or verge cube: a volume equal to that of a cube each side of which measures one yard 764.554857984 dm 3: cubic foot pied cube: 1 ⁄ 27 cu yd 28.316846592 dm 3: cubic ...
= 0.290 95 m 3: shot (US) usually 1.5 US fl oz [16] ≈ 44.4 × 10 −6 m 3: strike (imperial) ≡ 2 bu (imp) = 0.072 737 44 m 3: strike (US) ≡ 2 bu (US lvl) = 0.070 478 140 333 76 m 3: tablespoon (Australian metric) ≡ 20.0 × 10 −6 m 3: tablespoon (Canadian) tbsp ≡ 1 ⁄ 2 fl oz (imp) = 14.206 531 25 × 10 −6 m 3: tablespoon ...
1 quarteron (divided into 1/4 and 1/16) = 10 emine = 15 L (0.4257 bushel) 1 double quarteron = 2 quarteron 1 sac = 10 quarteron. [3] Quarteron is the volume of 30 livre of pure water at 4 °C. [3] Quarteron was equal to 5/9 of a cubic pied. [3]