Compound Microscope
1860-1865
Binocular stereoscopic camera no. 12
circa 1856
Stereoscope, made by J. B. Dancer (brasswork) and Louden (optics) to Brewster's design
circa 1853; 1853
Dumpy level
circa 1850
Box Sextant
1855-1865
Dancer Ruler
1860-1870
Compound Microscope
1860-1865
Binocular Compound Microscope
1861
Four microphotographs by JB Dancer
1860; 1860
Microscope slide cabinet
circa 1860
Experimental daguerreotype
1842
Gyroscope, made by J. B. Dancer
1855-1865
Refracting Telescope
1855-1865
Half-plate camera
circa 1860
Ruler
1860-1880
Holosterique Aneroid Barometer
1860-1870
Compound Microscope
1860
Dumpy Level
1870-1880
Refracting Telescope
1855-1865
Compound microscope in mahogany case
1839-1845
Telescope Accessories
1855-1865
Compound Microscope with display case and storage case
1855
Rule used by James Joule
circa 1858
Aneroid barometer
1860
Surveying Compass
1845-1855
Forty-four microphotographs by J. B. Dancer
1860
Microscope Case
1855-1865
Gould microscope with boxfoot
1830-1850
Cuff type microscope
1870-1890
Microphotograph "Photograph from life of J. B. Dancer"
1855-1857
Framed daguerreotype of a painting of a battle
circa 1842
Microprojector, made by J. B. Dancer.
1850-1860
Compound Microscope
1850-1855
Binocular Microscope by J.B. Dancer
1861
Projector Lens
1860-1870
Binocular microscope by Lancaster and Son of Birmingham
1851-1875
Rolling parallel rule, made by John Benjamin Dancer
circa 1860
Portable chemical balance
circa 1855
Microphotograph, made by Dancer
1860
Six microphotographs by J. B. Dancer
1860
Microphotograph, made by Dancer
1860
Dancer Protractor
1860
Plate holder and Shutter
1856
Dancer Hydrometer
1855-1865
microphotograph
1860
Portrait Lens
1860-1870
Micro-Lantern Attachment
1855-1860
Portable microscope
1860-1870
Portable Balance
1850-1860
Student microscope in case
1875-1900