"Robert, Machine drawing, top elevation"
"Robert, Paper machine, side view, 1801 Patent"
"Robert, Paper machine"
"Robert, Paper machine"
"Robert, Paper machine, end of vat, cross section by rollers"
"Berlin Technical Museum - Robert Machine"
"Berlin Technical Museum - Robert Machine"
"Berlin Technical Museum - Robert Machine"
"Berlin Technical Museum - Robert Machine"
"N.L.Robert, Portrait"
"Robert, English Patent sheet 2"
"Robert, Paper machine, side section, 1801 Patent"
"Robert, Paper machine, cross section rollers, delivery end"
"Berlin Technical Museum - Robert Machine"
"Robert, English Patent sheet 1"
"Robert, Paper machine, ground plan, 1801 Patent"
"Robert, Paper Machine, cross sections, 1801 Patent"
"Robert, Paper machine, side view"
"Robert, Paper machine, cross section rollers"
"Berlin Technical Museum - Robert Machine"