Collection of Historical Scientific Instruments
@collectionofhistoricalscie1190 • Joined October 6, 2014
Collection of Historical Scientific Instruments
@collectionofhistoricalscie1190 • Joined October 6, 2014
At a glance
Subscribers
Last 29 days2.38K
Views
Last 29 days494K
Videos
Last 29 days40
Charts
Subscribers, views & videos over time
Subscribers gained (weekly) · 6 mo
Views gained (weekly) · 6 mo
Subs milestone changes (up to 30)
Views milestone changes (up to 30)
Engagement
Avg. views per video
12.3K
Total views ÷ total videos
Views per subscriber
208×
Total views ÷ subscribers
Subs per video
60
Subscribers ÷ total videos
Revenue estimate
Details →Total (all-time): $346 – $990
Daily avg.: $0 – $0
Weekly avg.: $1 – $3
Last 29 days: $4 – $11
Based on estimated $0.7–$2 CPM.
Analytics tables
Analytics Table:Collection of Historical Scientific Instruments
| Date | subscribers | views | videos |
|---|---|---|---|
Jun 15, 2026 Jun 15 Mon | 2.38K -- | 494K +445 | 40 -- |
Jun 10, 2026 Jun 10 Wed | 2.38K -- | 494K +994 | 40 -- |
Jun 1, 2026 Jun 1 Mon | 2.38K +10 | 493K +1.29K | 40 -- |
May 25, 2026 May 25 Mon | 2.37K -- | 491K +1.90K | 40 -- |
May 18, 2026 May 18 Mon | 2.37K +10 | 489K +1.09K | 40 -- |
May 11, 2026 May 11 Mon | 2.36K -- | 488K +943 | 40 -- |
May 4, 2026 May 4 Mon | 2.36K +10 | 487K +897 | 40 -- |
Apr 27, 2026 Apr 27 Mon | 2.35K -- | 487K +1.03K | 40 -- |
Apr 20, 2026 Apr 20 Mon | 2.35K -- | 486K +1.15K | 40 -- |
Apr 13, 2026 Apr 13 Mon | 2.35K -- | 484K -- | 40 -- |
Subscribers gained (weekly)
| Week | Subscribers gained | Change vs prev |
|---|---|---|
Jan 17, 2026 | 0 | -- |
Jan 19, 2026 | 10 | +10 |
Jan 26, 2026 | 10 | -- |
Feb 2, 2026 | 0 | -10 |
Feb 9, 2026 | 10 | +10 |
Feb 16, 2026 | 0 | -10 |
Feb 23, 2026 | 10 | +10 |
Mar 2, 2026 | 0 | -10 |
Mar 9, 2026 | 10 | +10 |
Mar 17, 2026 | 10 | -- |
Mar 23, 2026 | 0 | -10 |
Mar 30, 2026 | 10 | +10 |
Apr 6, 2026 | -11 | -20 |
Apr 13, 2026 | 10 | +20 |
Apr 20, 2026 | 0 | -10 |
Apr 27, 2026 | 0 | -- |
Views gained (weekly)
| Week | Views gained | Change vs prev |
|---|---|---|
Jan 17, 2026 | 1.31K | +1.31K |
Jan 19, 2026 | 1.29K | -14 |
Jan 26, 2026 | 1.44K | +153 |
Feb 2, 2026 | 1.41K | -33 |
Feb 9, 2026 | 1.18K | -231 |
Feb 16, 2026 | 1.07K | -111 |
Feb 23, 2026 | 1.22K | +154 |
Mar 2, 2026 | 1.17K | -56 |
Mar 9, 2026 | 1.32K | +155 |
Mar 17, 2026 | 1.09K | -233 |
Mar 23, 2026 | 927 | -166 |
Mar 30, 2026 | 1.09K | +170 |
Apr 6, 2026 | 1.03K | -66 |
Apr 13, 2026 | 1.04K | +9 |
Apr 20, 2026 | 1.15K | +112 |
Apr 27, 2026 | 1.03K | -115 |
About
The core mission of the Collection of Historical Scientific Instruments is to preserve, document, and care for over 20,000 instruments portraying the history of science teaching and research at Harvard from the Colonial period to the 21st century. Through its lively exhibit and teaching programs, web presence, and incr…
- Joined
- October 6, 2014
More features coming
We're working on new analytics and tools. Stay tuned.
More features coming
We're working on new analytics and tools. Stay tuned.