601 (Nachet; Petit modèle; c. 1870)

602 (unassigned maker; late 19^th century to early 20^th century)

603 (Olympus; CK2 inverted microscope; 1980s)

604 (James Swift; Binocular microscope; 1870s)*

605 (unassigned maker; drum microscope; late 19^th - early 20^th century)

606 (Optico; toy microscope 408; 1960s)

607 (assigned to J. Parkes & Son; compound microscope; c. 1860)

608 (JH Steward; inclining microscope; late 19th century)

609 (unknown maker; simple compound microscope; late 19th century to early 20th century)

610 (unassigned maker; drum microscope; mid 19th century)

611 (Unknown maker; simple compound microscope; late 19^th century)

612 (unassigned maker; compound microscope; early 19^th century)

613 (unassigned maker; drum microscope; late 19^th - early 20^th century)

614 (Wood Brothers; inclinable microscope; c.1895)

615 (Unassigned maker; compound microscope; late-19th century)

616 (unassigned maker; simple compound microscope; late 19th - early 20th century)