Aerial tuning inductor from the Rugby Radio Station, 1943-1966

Aerial tuning inductor from the Rugby Radio Station, 1943-1966

Variable inductance coil for tuning the aerial of the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

1. Former or framework - made of wood (Sitka Spruce). 2. Fixings - made of wooden doweling and nylon nuts & bolts. 3. Wedges to keep coil in place - made of wood. 4. Tap point connections and cable terminals - made of metal. 5. Outer support tubing/casing of coil windings - made of synthetic-resin-bonded-paper. 6. Inner of Litz cable - made of enamelled copper wire.

Five wheels for the aerial tuning inductor from the Rugby Radio Station, 1943-1966

Five handwheels from the variable inductance coil of the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Additional Cable Lengths for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Additional cable lengths for spiders 2 and 3 of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Outer support tubing/casing of coil windings - made of synthetic-resin-bonded-paper. Inner of Litz cable - made of enamelled copper wire

Additional Cable Length for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

One of two additional cable lengths for spiders 2 and 3 of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Additional Cable Length for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

One of two additional cable lengths for spiders 2 and 3 of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Connector for Additional Cable Lengths for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Connector for additional cable lengths of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Additional Cable Lengths for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Additional cable lengths of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. These would have sat below the main fine tuning coil. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Cable bolt clamps for the aerial tuning inductor from the Rugby Radio Station, 1943-1966

Cable bolt clamps of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Coarse Tuning Assembly for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Coarse tuning assembly of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Tower for Coarse Tuning Assembly for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Tower for coarse tuning assembly of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

1. Former or framework - made of wood (Sitka Spruce). 2. Fixings - made of wooden doweling and nylon nuts & bolts. 3. Wedges to keep coil in place - made of wood

Tower, Possibly for Fine Tuning Coil for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Disassembled tower, possibly for the fine tuning coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

1. Former or framework - made of wood (Sitka Spruce). 2. Fixings - made of wooden doweling and nylon nuts & bolts. 3. Wedges to keep coil in place - made of wood

Two trestle beams for the aerial tuning inductor from the Rugby Radio Station, 1943-1966

Two trestle beams of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Walkways and smaller parts for the aerial tuning inductor from the Rugby Radio Station, 1943-1966

Disassembled walkways, smaller parts, of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Two large pallets and associated long pieces of wood. See also 2005-733/18

1. Former or framework - made of wood (Sitka Spruce). 2. Fixings - made of wooden doweling and nylon nuts & bolts. 3. Wedges to keep coil in place - made of wood

Walkway for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Wooden walkways, beams and nylon bolts of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Walkway for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Wooden struts for walkways of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Walkway for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Wooden struts for walkway of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Staircase for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Staircase of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

1. Former or framework - made of wood (Sitka Spruce). 2. Fixings - made of wooden doweling and nylon nuts & bolts. 3. Wedges to keep coil in place - made of wood

Unused spares for the aerial tuning inductor from the Rugby Radio Station, 1943-1966

Unused spares from BT of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Unused Spares for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Unused wooden spares from BT of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Unused Spares for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Four pulleys with nylon bolts, four boxes of wooden spacers and components, five hexagonal wooden blocks, metal bolts, centre paxolin clamp, four rolls of binding and two sections of piping from BT of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Pallet of Parts for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Pallet of parts removed during deconstruction of the variable inductance coil for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

1. Former or framework - made of wood (Sitka Spruce). 2. Fixings - made of wooden doweling and nylon nuts & bolts. 3. Wedges to keep coil in place - made of wood. 4. Tap point connections and cable terminals - made of metal. 5. Outer support tubing/casing of coil windings - made of synthetic-resin-bonded-paper. 6. Inner of Litz cable - made of enamelled copper wire.

Pallet of Parts for the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Pallet of parts removed during installation and conservation of the variable inductance coil from the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

1. Former or framework - made of wood (Sitka Spruce). 2. Fixings - made of wooden doweling and nylon nuts & bolts. 3. Wedges to keep coil in place - made of wood. 4. Tap point connections and cable terminals - made of metal. 5. Outer support tubing/casing of coil windings - made of synthetic-resin-bonded-paper. 6. Inner of Litz cable - made of enamelled copper wire.

Drawings for the aerial tuning inductor from the Rugby Radio Station, 1943-1966

Drawings of the variable inductance coil assembly for the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Transformer from the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Transformer associated with the variable inductance coil from the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

Walkways and Long Beams from the Aerial Tuning Inductor from the Rugby Radio Station, 1943-1966

Disassembled walkways, long beams, of the variable inductance coil from the very-low-frequency (16 kHz) transmitter (callsign GBR) installed at Rugby Radio Station, unknown maker, British, 1943-1966. Constructed in 1943 to the original 1926 design, and as modified in 1966, together with separate transformer and variometer with supporting framework.

See also 2005-733/11.