Dry cleaning at DuPont's Electrochemicals Sales Service Laboratory at Chestnut Run. Garments are first cleaned with Perclene perchlorethylene in unit on left; then transferred to recovery unit on the right. Here the last trace of the cleaning...
Receipt from Ferdinand Arras acknowledging payment for cleaning muskets during September, 1862 for Lammot du Pont's militia company. This company later became Company B, 5th Delaware Volunteer Infantry.
Receipt from Ferdinand Arras acknowledging payment for cleaning muskets during August, 1862 for Lammot du Pont's militia company. This company later became Company B, 5th Delaware Volunteer Infantry.
Receipt from Ferdinand Arras acknowledging payment for cleaning muskets during October, 1862 for Lammot du Pont's militia company. This company later became Company B, 5th Delaware Volunteer Infantry.
Receipt from Ferdinand Arras acknowledging payment for cleaning muskets and rifles for Company B (Lammot du Pont's company), 5th Delaware Volunteer Infantry.
This diagram shows a typical surface cross section as it might appear, magnified many thousands of times, under an electron microscope. The surface might be that of a fiber, or of a painted wall, or even wall paper. In Line No. 1, rough soil...
Developed especially for the purpose and backed by continuous mill experience since 1941, the DuPont Sodium Hydride Descaling Process is essentially a chemically activated fused caustic soda cleaning bath. Advantages over conventional pickling and...
Developed especially for the purpose and backed by continuous mill experience since 1941, the DuPont Sodium Hydride Descaling Process is essentially a chemically activated fused caustic soda cleaning bath. Advantages over conventional pickling and...
Developed especially for the purpose and backed by continuous mill experience since 1941, the DuPont Sodium Hydride Descaling Process is essentially a chemically activated fused caustic soda cleaning bath. Advantages over conventional pickling and...
Developed especially for the purpose and backed by continuous mill experience since 1941, the DuPont Sodium Hydride Descaling Process is essentially a chemically activated fused caustic soda cleaning bath. Advantages over conventional pickling and...
The batch of stainless steel shown above has just been removed from a DuPont Sodium Hydride Descaling Process bath at Manganese Steel Forge Company, Philadelphia, Pennsylvania. Backed by nearly ten years of commercial experience, this descaling...
Developed especially for the purpose and backed by continuous mill experience since 1941, the DuPont Sodium Hydride Descaling Process is essentially a chemically activated fused caustic soda cleaning bath. Advantages over conventional pickling and...
Developed especially for the purpose and backed by continuous mill experience since 1941, the DuPont Sodium Hydride Descaling Process is essentially a chemically activated fused caustic soda cleaning bath. Advantages over conventional pickling and...
Developed especially for the purpose and backed by continuous mill experience since 1941, the DuPont Sodium Hydride Descaling Process is essentially a chemically activated fused caustic soda cleaning bath. Advantages over conventional pickling and...
Developed especially for the purpose and backed by continuous mill experience since 1941, the DuPont Sodium Hydride Descaling Process is essentially a chemically activated fused caustic soda cleaning bath. Advantages over conventional pickling and...
Developed especially for the purpose and backed by continuous mill experience since 1941, the DuPont Sodium Hydride Descaling Process is essentially a chemically activated fused caustic soda cleaning bath. Advantages over conventional pickling and...
