The jacks are similar, but they will benefit from being arranged back to back, since the two [bass] octaves take as much space as four in an ordinary harpsichord Prior to 1980 when Keith Hill introduced his design for a pedal harpsichord, most pedal harpsichords were built based on the designs of extant pedal pianos from the 19th century, in which the instrument is as wide as the pedalboard.
Heavy-duty steel shelving of 18-gauge or lower is generally recommended for records. storage. The smaller the gauge number, the stronger the shelving; thus 16-gauge or 12-. gauge steel shelving is also appropriate. Shelving higher than 18-gauge is weaker and. may not be appropriate for records storage.
Steel is definitely stronger than ordinary iron. Steel is iron with a carbon content below 1.5% and mixed with several elements like manganese, chromium, molybdenum, nickel and silicon. Iron is an elemental material meaning there is only one kind of atom comprising its molecular structure.