- forfeit, forum, reforest,
reforestation fōrma fōrm- form,
shape biform,
biformity, conform, conformable, conformance, conformant, conformity, counterreformation...
-
converted into a
bunsen gas for
heating a mantle.
Since that time a new
biform ML300
synchronised bifilament 20-watt
electric lamp has been used. Scotland...
-
rebuilt tower with a double-height
lantern storey,
designed to
contain a '
biform'
optical system designed and
built by
Chance Brothers (consisting of two...
- hyper-radial lens in 1887 in the UK.
These lenses were
originally named biform, and
later triform and
quadriform lenses, by Wigham.
Thomas Stevenson used...
- (92 ft) Lens
Rotating three-panel 375mm
catadioptric optic (original),
biform tideland ML300
lanterns (current)
Intensity 3,976
candela Range 12 nmi (22 km)...
-
Curious and
Interesting Geometry,
Penguin Books, ISBN 9780140118131. The
Cundy Deltahedra or
Biform Deltahedra Weisstein, Eric W., "Deltahedron", MathWorld...
-
hyperradiant Fresnel lens
Light source Electric Flashing Mains Powered Biform LED
Optic Intensity 2,000,000
Range 18
nautical miles (33 km; 21 mi) Characteristic...
- thy(n), and of the old
dative case of the
definite article the(n). The
biforms no/none, the
prepositions in and on, the
conditional conjunction an even...
- 14 ft (4.3 m) wide; the
lantern was
painted red. It
contained a six-sided
biform (i.e. two-tier)
rotating optic of the first-order, 12 ft 6 in (3.81 m) high...
-
Light Focal height 68
metres (223 ft) Lens
Electric Flashing Mains Powered Biform LED
Optic Intensity 3,000,000
candela Range 26
nautical miles (48 km; 30 mi)...
