Tolles intermediate compound microscope
Datecirca 1875
Inventory Number1127
ClassificationMicroscope
Subject
Maker
Robert B. Tolles
1823 - 1883
Place of Origin
Dimensionsmicroscopre: 38 × 14 × 21 cm (14 15/16 × 5 1/2 × 8 1/4 in.)
case: 40 x 24.5 x 17.5 cm (15 3/4 x 9 5/8 x 6 7/8 in.)
case: 40 x 24.5 x 17.5 cm (15 3/4 x 9 5/8 x 6 7/8 in.)
Material
Accessories2 Tolles objectives: 1/8" dated 6/27/1866; 1/8" 120 deg. dated 3/7/1869, can marked: Immersion, also scratched: C. X. D. 1902; empty can for Tolles 1/4", now on inverted Tolles Nr. 1203; 2 oculars, no name, not solid, 24.5 mm dia.; Standing case.
DescriptionThis is a Tolles intermediate compound microscope with rack and pinion coarse focus and lever fine focus. Diaphragm wheel, but no condensor. All red brass, with bright finish on stand and base. Rotating round nickel-plated stage. Tube also nickel-plated. Some components of the stage appear to be of thin spring steel and thus cannot be of German silver, yet have the same finish.
Substage assembly includes a rotating wheel with diaphragm stops.
Standing mahogany case with drawer hold accessories.
Substage assembly includes a rotating wheel with diaphragm stops.
Standing mahogany case with drawer hold accessories.
In Collection(s)
SignedEngraved on sleeve for tube: TOLLES BOSTON
InscribedEngraved in script on sleeve for tube: Gurdon [sic] Saltonstall
On underside of base: 275
On diaphragm: 144
ProvenanceGordon Saltonstall, c. 1875; Boston Society of Natural History; Clarence A. Cheever; gift to Ernst-Lewis Collection of Microscopes (inv. no. 127), Harvard Medical School.
Historical AttributesAccording to Dr. Lewis, this instrument was presented to the Collection by Dr. C. A. Cheever, who got it from the Boston Society of Natural History. Gordon Saltonstall, born in Salem on August 15, 1856, went to Harvard, collected and observed for the Society in Nassau and died at Pau, France, in his 22nd year. See file for more.
Spencer Lens Company
Date: circa 1875
Accessories: objectives (6): Tolles 8/10 " dated 5/1/1863, 2 marked Spencer on can, 1 European shape "5", 2 other; oculars (2); polarizer set; box of general subjects slides; substage mirror; magnifier; case
Object number: 1159
Boston Optical Works
Date: circa 1870
Accessories: 3 Tolles objectives: 1 with 3 fronts; empty can 8/10; 5 Tolles oculars 34 mm dia.: 2 all solid, 2 solid field l. & single eye lens, 1 std.; centerable condenser with diaphragm wheel; mech. stage; side illuminator prism; cabinet.
Object number: 1016a
Robert B. Tolles
Date: after 1877
Accessories: 3 Tolles objectives: 1/4 with collar, no date; 1/2 "TOLLES, BOSTON, dated 1877, cap instead of can; 2" (unusual) in can; 2 anonymous 24.5mm dia. oculars; single substage mirror; stage clips; double mirror on stand; standing case with key.
Object number: 1131
R. B. Tolles and C. E. Grunow
Date: circa 1862
Accessories: Tolles objective marked 4" on case but scratched 1 1/2 on barrel, dated 5/20/1873; Tolles solid ocular 34 mm diameter.
Object number: 1128
Boston Optical Works
Date: circa 1870
Accessories: 3 Tolles oculars 24.5 mm dia. : high power solid, med and low Huyghens; 2 Tolles objectives: 1/6 immersion dated 11/3/1878 and 1"(by can), no date, no collar; polarizer, no analyzer; substage double mirror; diaphragm wheel; no condenser; case.
Object number: 1130
Henry Crouch
Date: circa 1893
Accessories: objective: Tolles 1/4 ", dated 3/30/1869; paired oculars 31mm diameter (2); circular stage; condensor with diaphragm wheel; flat concave substage mirror
Object number: 1148
Robert B. Tolles
Date: circa 1870
Accessories: One objective: Tolles 1/10 immersion, 180 air angle, dated 8/20/1874, with canister (7 others are now in 1214a); 2 pairs of oculars; magnifier on base marked: J. R. W. /P...?, ME, ; polarizer; drawing prism; diaphragm disc; case.
Object number: 1214
Robert B. Tolles
Date: circa 1874
Accessories: 3 Objectives: Tolles (?) with front element missing, no date; Leitz 1/12 oel imm., tubus 160 mm; Tolles 1/6" 35 deg., no date; 4 Tolles oculars 24.5 mm dia.; condensor w. iris; diaphragm wheel; substage mirror w. opt. stand; Nichol's micr.; case. camera luc Abbe condensor; diaphragm wheel; separate stand f. substage mirror; standing case.
Object number: 1305
Boston Optical Works
Date: 1860-1890
Accessories: Three dated Tolles objectives: 1/2" Nov. 18, 1860, 1/4" Dec. 23, 1877, 1/5" Oct. 28, 1868; 1 high power solid eyepiece, 1 low power normal eyepiece; polarizer; substage mirror; mechanical stage, standing case.
Object number: 1066
Boston Optical Works
Date: circa 1870
Accessories: 3 Tolles objectives: 1 with 3 fronts; empty can 8/10; 5 Tolles oculars 34 mm dia.: 2 all solid, 2 solid field l. & single eye lens, 1 std.; blue filter; case; key. Also see 1016a: microscope with centerable condenser with diaphragm wheel; and mechanical stage. 1016c: side illumination prism. 1016d, e, f: specialized Tolles objectives.
Object number: 1016b
Boston Optical Works
Date: circa 1870
Accessories: 1 Tolles objective with cap : 1/4" 40 deg. , dated 5/12/1868; 2 oculars 24.5 mm dia. ; simple stage with clips; diaphragm wheel; no condensor; substage mirror; objective cap; standing walnut case.
Object number: 1286
Boston Optical Works
Date: circa 1880
Accessories: 1 Tolles objective 1/4 "; 1 ocular 24.5 mm dia.; stage clips; no condensor; diaphragm wheel; single concave substage mirror; no case.
Object number: 1158