Three cardboard boxes and one Kodak branded plastic sleeve, containing microscopical preparations. Part of a collection of optical instruments used by Horace Dall. Three cardboard boxes and one Kodak branded plastic sleeve
Four small containers of microscopical preparations, largely of diatoms. Part of a collection of optical instruments used by Horace Dall. Four small containers of microscopical preparations
Black leather folding container containing 12 microscopical preparations, largely of diatoms. Part of a collection of optical instruments used by Horace Dall. Black leather folding container containing 12 microscopical preparations
Wooden box containing microscopical preparations, largely of diatoms. Part of a collection of optical instruments used by Horace Dall. Wooden box containing microscopical preparations
Mahogany box containing microscopical preparations, largely of diatoms. Part of a collection of optical instruments used by Horace Dall. Mahogany box containing microscopical preparations
Wooden box containing microscopical preparations, largely of diatoms. Part of a collection of optical instruments used by Horace Dall. Wooden box containing microscopical preparations
Collection of Microscopical preparations, mostly commercially mounted, English, 1870-1930 Collection of Microscopical preparations
One box containing microscopical preparations. Part of a collection of optical instruments used by Horace Dall. One box containing microscopical preparations
Cardboard box containing microscopical preparations in mahogony slides, mostly specimens of foraminifera and polyzoa. Part of a collection of optical instruments used by Horace Dall. Cardboard box containing microscopical preparations in mahogony slides
Mahogany box containing microscopical preparations, largely of diatoms. Part of a collection of optical instruments used by Horace Dall. Mahogany box containing microscopical preparations
Wooden box containing microscopical preparations, largely of diatoms. Part of a collection of optical instruments used by Horace Dall. Wooden box containing microscopical preparations
Wooden box containing 40 'paleo-botanical' microscopical preparations, prepared by J. R. Lomax, each slide accompanied with an annotated label. Part of a collection of optical instruments used by Horace Dall. Wooden box containing 40 'paleo-botanical' microscopical preparations
The Frank Horrocks collection of microscopical preparations. The Frank Horrocks collection of microscopical preparations