501 (Unassigned maker; Cary/Gould type microscope; early 19^th century)

502 (Unassigned maker; slide head linen prover; mid-19^th century)

503 (Gillett & Sibert; Monolynx inverted metallurgy microscope, Open University model; 1970s)

504 (Flatters & Garnett; small dissecting microscope; 1920s)

505 (Bausch and Lomb; microscope model FF; c. 1915)

506 (WR Prior; inverted microscope; 1960s)

507 (unassigned maker; short tripod microscope; c. 1900)

508 (unassigned maker; short tripod microscope; c. 1900)

509 (Ross; Student’s microscope; 1880s)

510 (Unassigned maker; linen prover; mid-19th century)

511 (Benn Franks Limited; early 20th century)

512 (Charles Baker; Simple dissecting microscope; c. 1870)

513 (Carl Zeiss; Stand IVa; c. 1905)

514 (unknown maker; drum-like microscope; mid-19th century)

515 (W. Watson & Sons; Educational microscope; c. 1898)

516 (Henry Crouch; Folding histological microscope; c. 1900)

517 (Charles Baker; travelling microscope; c. 1870)

518 (Henry Crouch; compound microscope, c. 1870)

519 (unknown maker; Double drum microscope; late 19th century)

520 (R & J Beck; Popular microscope; c. 1875)

521 (Unknown maker; Withering-type botanical microscope; c. 1800)

522 (Unknown maker; Gould-type chest microscope; 1^st half of 19th century)

523 (Henry Crouch; Student binocular microscope, c. 1875)

524 (Unassigned maker; student microscope; mid-19th century)

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

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

527 (Paul Waechter; microscope – trichinoscope - stand Va; c. 1905)

528 (Ross; Ross-Zentmayer student’s microscope; c. 1880)

529 (unknown maker; inclinable simple compound microscope; c.1900)

530 (Hartnack & Prazmowski; microscope stand No. II; c. 1877)

531 (unknown maker; thread counter; c. 1920)

532 (H & W Crouch; Student’s binocular microscope, c. 1865)

533 (assigned to J Parkes & Son; improved school microscope; c. 1860)

534 (Carl Zeiss; binocular microscope stand LgOG; c. 1940)

(535) J Casartelli & Son; cloth counting glass; c. 1970*

536 (Ernst Leitz; measuring loupe; 1960s)

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

538 (Swarovski; Crystal memories microscope; 2001 - 2004)

539 (Olympus; CK inverted microscope; c. 1970)

540 (Carl Zeiss; inverted microscope; c. 1970)

541 (W. Watson & Sons; Vulcan metallurgical inspection microscope; c. 1922)

542 (unassigned maker; Universal household microscope; c. 1890)

543 (unassigned maker; linen proving microscope; late 19^th century)

544 (C. Baker; student microscope; 1880s)

545 (unassigned maker; pilar-type linen tester; late 19th century to the early 20th century)

546 (Unassigned maker; pocket microscope; second half of 19th century to early 20th century)

547 (Unassigned maker; Simple slide viewer or magnifier; second half of 19th century to early 20th century)

548 (Unassigned maker; pocket microscope; second half of 19th century to early 20th century)

549A (replica of an Antonie van Leeuwenhoek microscope, made by Museum Boerhaave)

549B (replica of an Antonie van Leeuwenhoek microscope, made by Museum Boerhaave)

550 (Unassigned maker; Simple magnifier; second half of 19th century to early 20th century)

551 (Ernst Leitz; SM medical microscope; c. 1969)**

552 (unassigned maker; flower microscope; 19th century)

553 (unassigned maker; c. 1900)

554 (unassigned maker; botanical microscope; first half of the 19th century)

555 (J. W. Bailey; portable microscope; 1880s)

556 (unassigned maker; drum microscope; c. 1900)

557 (Spencer; microscope No. 20; c. 1917)

558 (Unassigned maker; dissecting microscope; early 20th century)

559 (Charles Baker; binocular microscope; c. 1870)

560 (Casartelli; folding linen tester; late 19th century to the early 20th century)

561 (A. Williams & Co.; “Wonder” microscope; early 20th century)

562 (unassigned maker; Large drum microscope; mid 19th century)