a Richardson’s sphygmograph with adjustable weight, early 20th century, retailed by Medicinisches Waarenhaus, Berlin, in nickel plate, in fitted case, case 14cm across, with a Dudgeon’s sphygmograph by Hawkley & Son London, in velvet and silk lined leather covered case, case 8cm across
Sold for £312
Result plus buyers premium
a Richardson’s sphygmograph with adjustable weight, early 20th century, retailed by Medicinisches Waarenhaus, Berlin, in nickel plate, in fitted case, case 14cm across, with a Dudgeon’s sphygmograph by Hawkley & Son London, in velvet and silk lined leather covered case, case 8cm across
Auction: The Collectors Sale, 15th Feb, 2023