Mechanical Music, Scientific Instruments and Technical Apparatus

A good Burndept Ethophone Junior crystal set,1922, with enclosed double-crystal detector, titled dial, on ebonite panel, full company instructions...

A BTH Type C Form A crystal set,1923, with twin enclosed crystals (one arm missing), condenser switch, Radiola instructions to lid, in red/blue BB...

A rare Bligh Radio/Cryst Mark VIII crystal set,Circa 1924, with local range mark for Chelmsford to loading coil, top-mounted enclosed detector, in...

A nice I J R crystal set,Circa 1925, with enclosed detector, fine/course coil taps, inked ebonite panel, one Ediswan loading coil, in light mahoga...

A Brownie No. 2 crystal set,1925, lacking detector, with loading coil bridge, slope-front moulded ebonite body; with two pairs of headphones, one ...

A 1920s crystal set,With open detector, variable-cap tuning, and coil switch, in mahogany lift-lid square case; with a pair of Brown type F headph...

A home-constructed crystal set,Early 1920s, with enclosed detector, in stained case, with a pair of Nuphone BBC headphones. (2)

Early crystal set accessories:A homemade crystal set in case; two large coupling coils and holders; multi-crystal boss; Mighty Atom tin; enclosed ...

Early wireless loading coils and headphones:10 pairs of loose headphones; a nice Sterling pair in original box; 17 coils of various metre grades i...

Crystal set empty cases:Gecophone No. 1; two Revophones; Ericsson; and three others, most still with transfers. (7)

An early three-valve slope-front wireless receiver outfit,Circa 1923,Stilt-boss valve holders, twin tuning dials, fixed and moving coil reactions,...

Early 1920s wireless:A very neat home-constructor set with 2 valves in oak case; and two large smoker-cabinet style empty cases for bright-emitter...

Three 1920s home-constructor wireless receivers:Lissen components, L-valves in oak case; Mullard valves, Radiogrand parts in mahogany case; and a ...

Mainly 1920s wireless components:An ebonite wireless panel stamped with the BBC roundel, for a three-valve bright emitter set; another panel; a qu...

A rare Western Electric loop frame wireless aerial,Circa 1924, with black BBC transfer, mitred mahogany frame on small turned support and stilt co...

A large Amplion hornspeaker,AR15 driver, black two-section horn.

An Amplion straight-necked hornspeaker,AR39 Junior driver, black horn.

Vintage wireless batteries:A massive multi-tap Pertix, Exide, Vidor, Marspen, Ray-O-Vac; and two advert labels. (10)

Larger vintage wireless batteries:An Ever Ready Winner multi-tap 120v HT; ER type 481; ER G-B 9v; and an Exide accumulator. (4)

A very good Atwater Kent type 40 and hornspeaker wireless set,With 7 valve line-up, within typical crackle-black case, Atwater plaque; with AK mod...

A good pair of Atwater Kent type 35 wireless receivers,With upturned chassis, 5 valve RCA line-ups, in crackle-black cases and AK ship plaques, la...

An Atwater Kent type 20 wireless receiver,No valves, but all else present and correct, three-stage tuning, brown painted metal panel, in polished ...

A rare and near-pristine Grebe Synchrophase wireless receiver, type MU-1,No. TBLG, with five valve line-up, Binocular LF coils, triple sync tuning...

A large Stromberg-Carlson type 1B wireless receiver,With five valve line-up, angled fixed coils, on ebonite boards, triple tuning controls, in dar...

A large Federal type 59 wireless receiver,1923, complete with suspended part pip-top valve socket board, large front panel with full stage control...

A large Federal type 59 wireless receiver,1923, complete with suspended 4-valve socket board, large front panel with full stage controls and brigh...

A chassis and control panel of a Federal type 58 wireless receiver,1923, no valves but all else present including the bright-emitter panel gauzes.

A Federal type 57 wireless receiver,USA, compact layout with 4 valve line-up, full stage controls on ebonite panel, in black painted case.

A Hudson wireless receiver,Early 1920s, with five RCA valve line-up, in mahogany case; and a Steward-Warner type 325 receiver from similar period ...

A Neutrodyne Silvertone wireless receiver,Mid 1920s, USA, with five valve line-up, angled coils, three stage tuning, in polished mahogany case.

A trio of RCA Radiola III wireless receivers,One with the two C-11 valves, ebonite tops on mahogany bases; with a Fenton 2-valve amplifier boss un...

An RCA Radiola 26 portable wireless receiver,With internal horn and driver, swivel frame aerial in lid.

An early Fada type 192A wireless receiver,Mid 1920s, valves missing but all else present in superb condition, slope-front ebonite panel, in carved...

Three good American wireless receivers:An Atwater Kent 145; an Emerson TR2; and a Detrola 335A, all with double needle circular dials, in wooden c...

A large Ferguson type 503AC wireless receiver,UK for US market, with 9 valve line-up, double needle dial pointer and magic eye.

Small seldom-seen American wireless receivers:A nice Weston twin-band in inlaid wooden case; midget Arvin in white painted case; Airline in blue c...

Emerson Radio Inc.,Two valve sets – model 704, blue, in original box with instructions; and a model 705 in maroon. (2)

A monumental all-chromed 3-band Superhet receiver, by E. H. Scott Radio Laboratories Inc.,Circa 1938, USA, with 12-valve line-up, roll-drum tuning...

A very good and complete WWII A.F.V. wireless set No. 19, Mark II outfit,1942, No. 2003, with dual English and Russian control ducals, twin tuning...

A WWII civilian utility wireless receiver,Rare model, War Department Use – no code number, with metre only dial, in W/D stamped case; and a chassi...

A wartime utility civilian wireless receiver,Code U3 – Cossor Ltd.,Mains version, full label to back.

A wartime utility civilian wireless receiver,Code U12 – Burndept Ltd.,Mains version, light cabinet.

A wartime utility wireless receiver,Code 32 – Kolster-Brandes Ltd.,Mains version.

A very large and extremely heavy RCA AR-88 LF Shortwave receiver,10-valve line-up, multi-arc tuning dials, lift-up lid to top for chassis access, ...

An Eddystone shortwave Communications receiver,Type EC10, Ser. No. 6695,With 5-wave linier dial, in grey/blue metal rack case.

A large collection of amateur radio station cards,Including stations in UK, Europe, US, Australia, Russia, at least 400. (qty)

A Philco type 84 ‘Cathedral’ wireless receiver,In arched bentwood case; and a larger empty Philco Cathedral model case. (2)

An Atwater Kent type 246 wireless receiver,Arched top, small window dial, wooden knobs.

A rare Langham portable Long-Range 5 wireless receiver,Retailed by W & H Gidden, London, circa 1927, Ser. No. 205310,With long and short twinned p...

A Marconiphone type 32 wireless receiver,1927, with 3 valve line-up, Drydex grid bias battery, in slope-fronted red mahogany case.

A Majestic type 20 wireless receiver,Arched top with G80 rectifier; An HMV type 1124 with quad-louvered dial; A Vidor attaché CN381; and a 1920s s...

A K.B. ‘Masterpiece’ wireless receiver,1930, coupon-only purchase from Godfrey Phillip BVD cigarettes, two-valve, lid-speaker and moulded dark bro...

An Ekco type RS2 AC wireless receiver,1931 – the ‘Odeon’ set,TRF chassis in architectural brown Bakelite case, lacking back panel.

A good McMichael ‘Duplex Four’ Type S suitcase portable wireless receiver,Circa 1932,With long-short extending arc dial pointer, separate reaction...

A PYE type MM wireless receiver,1931, with large sunburst speaker fret, pointed-top walnut case.

An Ekco type AC74 wireless receiver,1933, with linier dial, integral side handles, in brown Bakelite case.

A good Ekco type AC85 wireless receiver,Period speaker cloth and arc dial, in mottled brown Bakelite case.

An Ekco type A23 wireless receiver,1946, brown Bakelite version, with period cloth and five pre-sets.

A very important and rare Sparton Bluebird model 566 wireless receiver,USA, Designed by Walter D. Teague, 1936,With five valve line-up, period car...

A Murphy type A48 wireless receiver,With vertical drum tuning dial; and an Ekco type A28 wireless receiver with seven band SW scale, in walnut cas...