K&E 4030 5" Mannheim 1901-1903
These scans are from the collection of Lawrence Bouett.
This slide rule belonged to Lawrence's father William Bouett a civil engineer from the late 1930s to 1972. William Bouett received the rule from Alfred Solano his grand-uncle. Alfred Solano was a civil engineer from about 1880 to 1930 and took an interest in William Bouett's carear.
This slide rule is described in the 1901 and 1903 K&E catalogs.
Front side

Back side of slide

Rear side

Bottom edge

Top edge

Left end 
Front of case

Back of case