Ronald's electrical apparatus for atmospheric observations, copper rod to go through roof to atmosphere 1843
Brass rod like structure, possibly part of large apparatus, thought to be European, 1900-1950 Brass rod like structure 1900-1950
Two rods concerned with Riviere apparatus, for friction(?), brass, European, 1880-1930 Two rods concerned with Riviere apparatus 1880-1930
Two wooden connecting rods with oval holes geared internally, illustrating one of Watt's methods of converting reciprocating into circular motion Two wooden connecting rods with oval holes geared internally
Steel rod 30" x 5/8" diameter with cast fitting clamped by a thumb screw, almost certainly the stop of a power hacksaw; and another length of 5/8" diameter rod with end bent back & 2 collars and spring: perhaps a stop, knock-off or striking rod from a machine tool Steel rod 30" x 5/8" diameter with cast fitting clamped by a thumb screw
Mild steel rod, part of a support frame, very similar to 1993-1602/6, approximately 2.6-Metres in width, from unidentified section and unidentified Cyclorama, architectural feature scene, designed by Ralph Stephenson Lavers, England - as commissioned by the Science Museum, London, for the Museum’s Gas Gallery - and cast by J. Starkie Gardner Ltd., London, England, 1950-1951 Mild steel rod 1950-1951
Mild steel rod, straight, approximately 1.8-Metres in width, from unidentified section and unidentified Cyclorama, architectural feature scene, designed by Ralph Stephenson Lavers, England - as commissioned by the Science Museum, London, for the Museum’s Gas Gallery - and cast by J. Starkie Gardner Ltd., London, England, 1950-1951 Mild steel rod 1950-1951