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A SET OF SIX HAGELIN CIPHER WHEELS, 1960'S,serial no. 31980, the 2-inch diameter wheels numbered 25, 26, 34, 38,42 and 46, in fitted grey-green m...
A NEMA CIPHER MACHINE SPARES BOX, SWISS, MID-20TH CENTURY,the black painted wooden case with hinged lid opening to lift-out tray and compartmental...
A MAXWELL HEMMENS LIVE STEAM MODEL OF A MARINE ENGINE & BOILER PLANT, ENGLISH, LATE 20TH CENTURY,
A MAXWELL HEMMENS LIVE STEAM MODEL OF A MARINE ENGINE & BOILER PLANT, ENGLISH, LATE 20TH CENTURY,complete with 8-inch diameter fly-wheel, mahogany...
A MAXWELL HEMMENS LIVE STEAM MODEL OF 'THE CATON BOILER' SINGLE CYLINDER HORIZONTAL ENGINE, ENGLI...
A MAXWELL HEMMENS LIVE STEAM MODEL OF 'THE CATON BOILER' SINGLE CYLINDER HORIZONTAL ENGINE, ENGLISH, LATE 20TH CENTURY,No. C88-117, the model comp...
A MODEL OF A 'PENDULOUS' OSCILLATING STEAM ENGINE, ENGLISH, EARLY 20TH CENTURY,the twin heavy architectural A-frames supporting the overhead cran...
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5 item(s)/page