Brass pillar-frame sextant.

Ebony and brass octant.

Brass Richardson's saccharometer by J. and E. Troughton

Case for Brass framed sextant with stand.

Pantograph in box

Ebony and brass octant.

J & E Troughton trade card

Brass framed sextant with stand.

Artificial mercury horizon for sextant.

Brass framed sextant with stand, artificial horizon and case.

Refracting Telescope.

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