31 May 1853 M.L.Roucout Furnace-Grate bar
Marie Louise Roucout from Paris France patented a furnace grate bar. It improves the furnace’s ability to radiate heat in workshops and factories.
30 May 1922 R.L.Parshall. Venturi flume water stage recording instrument
A method of measuring water flow. Ralph Parshall was the’ Father of the flume’.
29 May 1951 C Eames Chair
Charles Eames developed a chair using bent plywood to make a flexible comfortable chair that is inexpensive to produce.
28 May 1889 K.Huber Soap receptacle
Katie Huber of Milwaukee came up with an improvement for dispensing soap
27 May 1930 Richard Gurley Drew Adhesive tape
Imagine 1929. Only string to tie parcels. Then along came Richard Drew and now there is ‘Scotch tape’. The name comes from a customer who told 3M’s engineer Drew ‘take this tape back to your stingy Scotch bosses and tell them to put more adhesive on it.’
26 May 1908 H.C.Ward Cuff button
We are a little tired of these but this is a cutting edge ‘Cuff link’



